CN113513264A - Deep geospace intelligent targeting leading-in well drilling rescue system and well drilling method - Google Patents
Deep geospace intelligent targeting leading-in well drilling rescue system and well drilling method Download PDFInfo
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- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
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- E—FIXED CONSTRUCTIONS
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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Abstract
The invention discloses a deep space intelligent target-seeking leading-in well drilling rescue system and a well drilling method, wherein the well drilling rescue system comprises an intelligent positioning device, an intelligent thrust applying tool and a drill bit; the intelligent positioning device is arranged close to the drill bit end and used for acquiring accident position data and transmitting an intelligent thrust applying tool, the intelligent thrust applying tool is far away from the drill bit end and is provided with a thrust applying wing rib, if the accident position exceeds the detection range of the intelligent positioning device, the intelligent thrust applying tool can automatically measure well deviation and an azimuth angle and controls the drill bit to drill along a design track by comparing with design track parameters, if the accident position is located in the detection range of the intelligent positioning device, the intelligent thrust applying tool can control the drill bit to push against the accident position according to the accident position data, and a drilling speed raising tool and a centralizer are arranged between the intelligent thrust applying tool and the intelligent positioning device. The invention realizes accurate positioning and rapid drilling of the accident position and improves the deep space rescue efficiency.
Description
Technical Field
The invention relates to the technical field of deep ground drilling rescue, in particular to a deep ground space intelligent targeting leading-in drilling rescue system and a drilling method.
Background
When an accident happens in oil and gas production or mines, the accident position is accurately positioned, and the rescue well is drilled through quickly, so that the rescue is very important. When an accident happens to an underground oil and gas production channel to cause blockage, the rescue well is quickly drilled through, so that the occurrence of a major accident in the underground can be avoided, and the economic loss of an enterprise is reduced; when collapse accidents happen to mine explosion, the rescue well can be quickly drilled through to provide oxygen and nutrient substances for trapped people in the well, and the survival hope is brought to the trapped people.
However, the current drilling rescue system and method for rescue are difficult to accurately position the accident occurrence position, and even if the accident occurrence specific position can be accurately positioned, the accident occurrence specific position is difficult to quickly and accurately reach the target position. For example, after the Shandong tobacco terrace Xixia gold mine explosion accident occurs, rescue personnel drill a plurality of rescue wells, but the problem that the plurality of rescue wells cannot be communicated with the target position exists, so that the rescue time is wasted, and meanwhile, great economic loss is caused.
Therefore, there is a need to research an intelligent targeting leading-in drilling rescue system and a drilling method aiming at a deep space, so as to accurately determine the accident position in the deep space and quickly drill into a target area, and provide an effective rescue tool and method for deep rescue.
Disclosure of Invention
The invention aims to solve the problems and provides a deep space intelligent target-seeking leading-in well drilling rescue system and a well drilling method.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent deep space target-seeking leading-in well drilling rescue system comprises an intelligent positioning device, an intelligent thrust applying tool and a drill bit;
the intelligent positioning device is arranged close to the drill bit end, has an accurate positioning function, can automatically measure the distance between an accident position and the drill bit and the position of the accident position in the detection range of the intelligent positioning device, acquires accident position positioning data and transmits the accident position positioning data to the intelligent thrust applying tool;
the intelligent thrust applying tool is arranged away from the drill bit end and used for controlling the drill bit to be communicated with the underground target space, and the intelligent thrust applying tool is provided with a thrust applying wing rib and used for applying pushing force to the drill bit; the intelligent thrust applying tool can automatically measure well deviation and azimuth angle and compare the well deviation and azimuth angle with designed track parameters, and if the accident position exceeds the detection range of the intelligent positioning device, the intelligent thrust applying tool can control the thrust applying wing ribs to push the drill bit to drill according to the designed track until the accident position is within the detection range of the intelligent positioning device; if the accident position is within the detection range of the intelligent positioning device, the intelligent thrust applying tool can receive the accident position positioning data transmitted by the intelligent positioning device in real time and automatically control the thrust applying wing rib to push the drill bit to push the accident position according to the accident position positioning data;
and a drilling acceleration tool is arranged between the intelligent thrust applying tool and the intelligent positioning device, and a centralizer is arranged between the drilling acceleration tool and the intelligent positioning device.
Preferably, the intelligent thrust application tool comprises a trajectory parameter measurement module, a trajectory calibration module, a thrust application control module and a thrust application rib;
the track parameter measuring module is used for measuring borehole track parameters in real time;
the track correction module is used for sending a control instruction to the thrust application control module, and if the accident position exceeds the detection range of the intelligent positioning device, the track correction module sends a control instruction for drilling according to a designed track to the thrust application control module by comparing borehole track parameters measured in real time by the track parameter measurement module with the designed track parameters; if the accident position is within the detection range of the intelligent positioning device, the track correction module receives the accident position positioning data transmitted by the intelligent positioning device and sends a control instruction for drilling into the accident position to the thrust application control module;
the thrust application control module is used for receiving the control command sent by the trajectory correction module and controlling the thrust application wing rib according to the control command sent by the trajectory correction module;
the thrust applying wing rib is used for applying a pushing force to the drill bit, the thrust applying wing rib is provided with a wing rib, and the wing rib stretches and retracts to apply a reverse acting force to the drill bit.
Preferably, a flexible short joint and an upper drilling tool assembly are sequentially connected above the intelligent thrust applying tool.
Preferably, the intelligent positioner and centralizer may be integrated into the component in close proximity to the drill bit location.
Preferably, the centralizer is a common downhole full-hole centralizer or a rotary shell centralizer.
The intelligent deep space target-seeking leading-in well drilling method adopts the intelligent deep space target-seeking leading-in well drilling rescue system, and specifically comprises the following steps:
step 1, formulating a drilling scheme to determine a design track, and calculating the length of a flexible short section, the distance between the flexible short section and a thrust applying wing rib, the distance between the thrust applying wing rib and a centralizer and the distance between the centralizer and a drill bit;
step 2, assembling a deep space intelligent target-seeking leading-in well drilling rescue system according to the data calculated in the step 1;
step 3, drilling a relief well at the periphery of the accident well by utilizing a deep space intelligent target-seeking leading-in well drilling relief system, and performing deep space operation, wherein the deep space operation method specifically comprises the following steps:
the intelligent positioning device is used for measuring the distance between the accident occurrence position and the drill bit and the position of the accident occurrence position in real time, when the accident occurrence position exceeds the detection range of the intelligent positioning device, the intelligent thrust application tool compares the measured well deviation and the measured position with the design track parameters, and controls the thrust application wing rib to push the drill bit to drill along the design track according to the difference between the measured value and the design value until the accident position is within the detection range of the intelligent positioning device; when the accident position is within the detection range of the intelligent positioning device, the intelligent positioning device is used for measuring the distance between the accident position and the drill bit and the position of the accident position in real time, the accident position positioning data is obtained and transmitted to the intelligent thrust applying tool for guiding drilling operation, the intelligent thrust applying tool automatically controls the thrust applying wing rib to push the drill bit to push the accident position until the drill bit drills to the accident position, and the rescue well and the accident well are drilled through.
Preferably, in step 3, the specific workflow of the intelligent thrust application tool is as follows:
when the intelligent thrust application tool controls a drill bit to drill along a designed track, the track parameter measurement module measures wellbore track parameters in real time and transmits the wellbore track parameters to the track proofreading module, the track proofreading module compares the wellbore track parameters measured by the track parameter measurement module in real time with the designed track parameters, a track control instruction is sent to the thrust application control module, and the thrust application control module controls the thrust application wing ribs to apply pushing force according to the drilling control instruction sent by the track proofreading module;
when the intelligent thrust application tool controls the drill bit to push against the accident position, the track correction module acquires accident position positioning data transmitted by the intelligent positioning device in real time, and sends a drilling instruction to the thrust application control module according to the accident position positioning data to control the thrust application wing rib to apply the pushing force.
Preferably, the thrust application control module controls the thrust application rib to apply the pushing force according to a command sent by the trajectory proofreading module, and when the trajectory proofreading module sends a slope increasing command, the thrust application control module controls the thrust application rib to apply a downward pushing force; when the track correction module sends a descending command, the thrust application control module controls the thrust application wing rib to apply upward thrust force; when the track correction module sends a landing direction instruction, the thrust application control module controls the thrust application wing rib to apply thrust force in the clockwise direction; when the track correction module sends an azimuth increasing command, the thrust application control module controls the thrust application wing rib to apply pushing force in the anticlockwise direction.
The invention has the following beneficial technical effects:
1. the invention provides a deep space intelligent target-seeking leading-in well drilling rescue system, which utilizes an intelligent positioning device to automatically measure the distance between an accident position and a drill bit and the position of the accident position, realizes the accurate positioning of the accident position and solves the defect that the existing well drilling rescue system is difficult to accurately position the accident position.
2. According to the invention, by arranging the intelligent thrust applying tool, the intelligent thrust applying tool has both a pointing function and a receiving function, when the intelligent positioning device cannot acquire the accident position, the intelligent thrust applying tool automatically measures the well deviation and the azimuth angle and compares the well deviation and the azimuth angle with the design track parameters to push the drill bit to drill along the design track, so that the combined deflection of pushing the drill bit against the directional double-acting mechanism is realized, the deflecting capability is greatly improved, after the intelligent positioning device acquires the accident position, the intelligent thrust applying tool receives the accident position transmitted by the intelligent positioning device in real time, and automatically pushes the drill bit against the accident position, so that the accurate drilling of the accident position is realized, and the rescue efficiency is greatly improved.
3. By arranging the drilling speed increasing tool, the drilling speed is increased, the drilling accuracy of the deep space intelligent target-seeking leading-in drilling rescue system is not influenced, the rescue speed of the deep space is greatly increased, and the rescue time is shortened.
4. The invention solves the problems of accurate positioning of accident positions and rapid drilling in the process of deep space rescue, the intelligent targeting guiding-in well drilling rescue system is used for oil and gas well accidents or mine accidents, the well drilling rescue system is utilized to accurately drill and communicate a rescue well with the oil and gas well with the accident to rescue the oil and gas well accidents, or the well drilling rescue system is utilized to accurately drill and communicate the rescue well with the mine with the accident to rescue the mine accidents, the property loss and the casualties caused by major accidents in the well are greatly reduced, and the powerful guarantee is provided for the directional rescue in the deep space.
Drawings
FIG. 1 is a schematic structural diagram of the deep space intelligent targeting leading-in drilling rescue system.
FIG. 2 is a schematic view of the present invention drilling an open-ended well.
FIG. 3 is a schematic view of the present invention with the drill bit positioned on the design trajectory while drilling the open hole well.
FIG. 4 is a schematic illustration of the deviation of the drill bit from the designed trajectory for drilling an interconnected borehole in accordance with the present invention.
In the figure, 1, an upper drilling tool assembly, 2, a flexible short section, 3, an intelligent thrust application tool, 4, a thrust application wing rib, 5, a drilling acceleration tool, 6, a component close to a drill bit, 7, a centralizer, 8, an intelligent positioning device, 9, the drill bit, 10, an oil and gas well, 11, an oil and gas well accident position, 12 and a mine accident position.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention discloses a deep space intelligent target-seeking leading-in drilling rescue system, which comprises an intelligent positioning device 8, an intelligent thrust applying tool 3 and a drill bit 9, as shown in figure 1.
The intelligent positioning device 8 is close to the drill bit end and is arranged, has an accurate positioning function, can automatically measure accident positioning data within a detection range D, comprises the distance between an accident position and the drill bit 9 and the azimuth relation between the accident position and the drill bit 9, and transmits the acquired accident positioning data to the intelligent thrust application tool 3 in real time.
The intelligent thrust applying tool 3 is arranged far away from the drill bit end and used for controlling the drill bit to communicate with an underground target space, the intelligent thrust applying tool 3 is provided with a thrust applying wing rib 4, and the thrust applying wing rib 4 is provided with a wing rib with a telescopic function and used for applying a pushing force to the drill bit; the intelligent thrust applying tool 3 can automatically measure the well deviation and the azimuth angle and compare the well deviation and the azimuth angle with the parameters of the designed track, if the accident position exceeds the detection range of the intelligent positioning device 8, the intelligent thrust applying tool 3 can control the thrust applying wing ribs 4 to push the drill bit 9 to drill according to the designed track until the accident position is within the detection range of the intelligent positioning device 8; if the accident position is located within the detection range of the intelligent positioning device 8, the intelligent thrust applying tool 3 can receive the accident position positioning data transmitted by the intelligent positioning device 8 in real time, and automatically control the thrust applying wing rib 4 to push the drill bit 9 to push the accident position according to the accident position positioning data.
A flexible short section 2 and an upper drilling tool assembly 1 are sequentially arranged above the intelligent thrust applying tool 3, and the upper drilling tool assembly 1, the flexible short section 2 and the intelligent thrust applying tool 3 are sequentially connected; be provided with well drilling acceleration instrument 5 between instrument 3 and the intelligent positioner 8 is applyed to intelligence thrust, be provided with centralizer 7 between well drilling acceleration instrument 5 and the intelligent positioner 3, centralizer 7 adopts ordinary full-eye centralizer or rotatory shell centralizer in the pit, intelligent positioner 3 and centralizer 7 all are close to drill bit position department and set up, and, in the leading-in well drilling rescue system of this embodiment deep space intelligence target seeking intelligent positioner 3 and centralizer 7 can also all be integrated on the part 6 near the drill bit.
The intelligent thrust applying tool 3 comprises a track parameter measuring module, a track correcting module, a thrust applying control module and a thrust applying wing rib; the track parameter measuring module is used for measuring borehole track parameters in real time; the track correction module is used for sending a control instruction to the thrust application control module, and if the accident position exceeds the detection range of the intelligent positioning device 8, the track correction module sends a control instruction for drilling according to a designed track to the thrust application control module by comparing borehole track parameters measured by the track parameter measuring module in real time with the designed track parameters; if the accident position is within the detection range of the intelligent positioning device, the track correction module receives the accident position positioning data transmitted by the intelligent positioning device 8 and sends a control instruction for drilling into the accident position to the thrust application control module; the thrust application control module is used for receiving the control instruction sent by the trajectory correction module and controlling the thrust application wing rib 4 according to the control instruction sent by the trajectory correction module; the thrust applying wing rib 4 is provided with a telescopic wing rib, the thrust applying wing rib 4 provides a reverse acting force for the drill bit by utilizing the expansion and contraction of the wing rib, the direction of the force applied by the wing rib is opposite to the moving direction of the drill bit, and the thrust applying wing rib 4 applies a downward pushing force when the inclination is required to be increased; when the inclination needs to be reduced, the thrust applying wing rib 4 applies upward pushing force; when the drill bit needs to be lowered, the thrust applying wing ribs 4 apply pushing force in the clockwise direction; when the bit is azimuthally increased, the thrust exerting rib 4 exerts a thrust force in the counterclockwise direction.
The invention also provides an intelligent target-seeking leading-in drilling method for the deep space, which realizes accurate positioning and rapid drilling-through of accident positions in oil and gas wells and mines and realizes rapid rescue of accidents in the deep space.
Example 1
In this embodiment, taking an oil and gas well accident as an example, the drilling communication operation of the oil and gas well accident is performed by using the deep space intelligent targeting and leading-in drilling method provided by the present invention, as shown in fig. 2, the method using the deep space intelligent targeting and leading-in drilling rescue system specifically includes the following steps:
step 1, formulating a drilling scheme to determine a design track, and calculating the length of a flexible short section, the distance between the flexible short section and a thrust applying wing rib, the distance between the thrust applying wing rib and a centralizer and the distance between the centralizer and a drill bit.
And 2, assembling the deep space intelligent target-seeking leading-in drilling rescue system according to the data calculated in the step 1.
And 3, drilling a rescue well at the periphery of the oil and gas well with the deep space intelligent target-seeking leading-in drilling rescue system, performing deep space operation, and positioning the oil and gas well accident position 11 by the intelligent positioning device 8 after the deep space intelligent target-seeking leading-in drilling rescue system enters the deep space.
When oil gas well accident position 11 surpassed intelligent positioner 8's detection scope, intelligent positioner 8 can not pinpoint the position of taking place the oil gas well accident and acquire accident position location data, and 3 measurements are applyed to intelligence thrust this moment and are obtained well deviation and position and contrast with the design track parameter, and it advances to apply rib 4 promotion drill bit 9 along the design track according to the difference control thrust between measured value and the design value, and until oil gas well accident position 11 is located within intelligent positioner 8's detection scope.
When oil gas well accident position 11 is located intelligent positioner 8's detection range, intelligent positioner 8 real-time measurement obtains accident position data and transmits to intelligent thrust and applys instrument 3, accident position data includes distance between oil gas well accident position 11 and the drill bit 9 and the position between oil gas well accident position 11 and the drill bit 9, instrument 3 is applyed to intelligent thrust carries out the direction drilling operation, instrument 3 is applyed to intelligent thrust exerts the thrust and applys wing rib 4 and promote the drill bit 9 and push away to oil gas well accident position 11 department according to accident position data automatic control thrust, bore through relief well and accident well until drill bit 9 bores to oil gas well emergence accident position 11 department, realize the rescue to the oil gas well accident.
When the intelligent thrust application tool 3 controls the drill bit 9 to drill along the designed track, the track parameter measuring module measures the wellbore track parameters in real time and transmits the wellbore track parameters to the track proofreading module, the track proofreading module sends track control instructions to the thrust application control module by comparing the wellbore track parameters with the designed track parameters, and the thrust application control module controls the thrust application wing ribs 4 to apply pushing force according to the drilling control instructions sent by the track proofreading module.
When the intelligent thrust applying tool 3 controls the drill bit 9 to push against the oil-gas well accident position 11, the track correction module obtains accident position positioning data transmitted by the intelligent positioning device 8 in real time, and sends a drilling instruction to the thrust applying control module according to the accident position positioning data to control the thrust applying rib to apply pushing force. The thrust application control module controls the thrust application wing rib 4 to apply pushing force according to the command sent by the trajectory proofreading module, and when the trajectory proofreading module sends a slope increasing command, the thrust application control module controls the thrust application wing rib 4 to apply downward pushing force; when the track correction module sends a descending command, the thrust application control module controls the thrust application wing rib 4 to apply an upward thrust force; when the track correction module sends a landing direction instruction, the thrust application control module controls the thrust application wing rib 4 to apply pushing force in the clockwise direction; when the trajectory correction module issues an azimuth increase instruction, the thrust application control module controls the thrust application rib 4 to apply a thrust force in the counterclockwise direction.
Example 2
In the embodiment, taking a mine accident as an example, the deep space intelligent target-seeking leading-in drilling method provided by the invention is adopted to carry out the drilling communication operation of the mine accident, and the method adopts the deep space intelligent target-seeking leading-in drilling rescue system, and specifically comprises the following steps:
step 1, formulating a drilling scheme to determine a design track, and calculating the length of a flexible short section, the distance between the flexible short section and a thrust applying wing rib, the distance between the thrust applying wing rib and a centralizer and the distance between the centralizer and a drill bit;
step 2, assembling a deep space intelligent target-seeking leading-in well drilling rescue system according to the data calculated in the step 1;
and 3, drilling rescue wells around the accident mine by using the deep space intelligent target-seeking leading-in drilling rescue system, and enabling the deep space intelligent target-seeking leading-in drilling rescue system to enter the deep space for vertical drilling.
When the mine accident position 12 exceeds the detection range of the intelligent positioning device 8, the intelligent thrust applying tool 3 compares the measured well deviation and the measured direction with the design track parameters, and controls the thrust applying wing ribs 4 to push the drill bit 9 to drill along the design track according to the difference between the measured value and the design value until the mine accident position 12 is within the detection range of the intelligent positioning device 8.
When the mine accident position 12 is located within the detection range of the intelligent positioning device 8, the intelligent positioning device 8 measures and obtains accident position positioning data in real time and transmits the accident position positioning data to the intelligent thrust application tool 3, wherein the accident position positioning data comprises the distance between the mine accident position 12 and the drill bit 9 and the direction between the mine accident position 12 and the drill bit 9; if the data measured by the intelligent positioning device 8 shows that the mine is positioned on the designed track, as shown in fig. 3, the intelligent thrust applying tool 3 conducts guiding drilling operation, the thrust applying wing rib 4 is controlled to push the drill bit 9 to continuously and vertically drill downwards, the drill bit 9 is continuously pushed to the mine accident position 12 according to the designed track until the drill bit 9 drills to the mine accident position 12, a rescue well and the mine are drilled through, and rescue for the mine accident is achieved; if the intelligent positioning device 8 displays that the mine is not positioned on the designed track, and a deviation angle alpha exists between the mine and the designed track, as shown in fig. 4, the intelligent positioning device 8 is utilized to obtain accident position positioning data and transmit the accident position positioning data to the intelligent thrust applying tool 3, the accident position positioning data comprises the distance between the mine accident position 12 and the drill bit 9 and the position between the mine accident position 12 and the drill bit 9, the intelligent thrust applying tool 3 conducts guiding drilling operation, the thrust applying wing rib 4 is automatically controlled according to the accident position positioning data to push the drill bit 9 to push the mine accident position 12 until the drill bit 9 drills to the mine accident position 12, a rescue well and the mine are drilled through, and rescue for mine accidents is achieved.
When the intelligent thrust application tool 3 controls the drill bit 9 to drill along the designed track, the track parameter measuring module measures the wellbore track parameters in real time and transmits the wellbore track parameters to the track proofreading module, the track proofreading module sends track control instructions to the thrust application control module by comparing the wellbore track parameters with the designed track parameters, and the thrust application control module controls the thrust application wing ribs 4 to apply pushing force according to the drilling control instructions sent by the track proofreading module.
When the intelligent thrust application tool 3 controls the drill bit 9 to push against the mine accident position 12, the track correction module obtains accident position positioning data transmitted by the intelligent positioning device 8 in real time, and sends a drilling instruction to the thrust application control module according to the accident position positioning data to control the thrust application rib to apply pushing force. The thrust application control module controls the thrust application wing rib 4 to apply pushing force according to the command sent by the trajectory proofreading module, and when the trajectory proofreading module sends a slope increasing command, the thrust application control module controls the thrust application wing rib 4 to apply downward pushing force; when the track correction module sends a descending command, the thrust application control module controls the thrust application wing rib 4 to apply an upward thrust force; when the track correction module sends a landing direction instruction, the thrust application control module controls the thrust application wing rib 4 to apply pushing force in the clockwise direction; when the trajectory correction module issues an azimuth increase instruction, the thrust application control module controls the thrust application rib 4 to apply a thrust force in the counterclockwise direction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. An intelligent deep space target-seeking leading-in well drilling rescue system is characterized by comprising an intelligent positioning device, an intelligent thrust applying tool and a drill bit;
the intelligent positioning device is arranged close to the drill bit end, has an accurate positioning function, can automatically measure the distance between an accident position and the drill bit and the position of the accident position in the detection range of the intelligent positioning device, acquires accident position positioning data and transmits the accident position positioning data to the intelligent thrust applying tool;
the intelligent thrust applying tool is arranged away from the drill bit end and used for controlling the drill bit to be communicated with the underground target space, and the intelligent thrust applying tool is provided with a thrust applying wing rib and used for applying pushing force to the drill bit; the intelligent thrust applying tool can automatically measure well deviation and azimuth angle and compare the well deviation and azimuth angle with designed track parameters, and if the accident position exceeds the detection range of the intelligent positioning device, the intelligent thrust applying tool can control the thrust applying wing ribs to push the drill bit to drill according to the designed track until the accident position is within the detection range of the intelligent positioning device; if the accident position is within the detection range of the intelligent positioning device, the intelligent thrust applying tool can receive the accident position positioning data transmitted by the intelligent positioning device in real time and automatically control the thrust applying wing rib to push the drill bit to push the accident position according to the accident position positioning data;
and a drilling acceleration tool is arranged between the intelligent thrust applying tool and the intelligent positioning device, and a centralizer is arranged between the drilling acceleration tool and the intelligent positioning device.
2. The deep space intelligent homing drilling rescue system of claim 1, wherein the intelligent thrust application tool comprises a trajectory parameter measurement module, a trajectory correction module, a thrust application control module and a thrust application rib;
the track parameter measuring module is used for measuring borehole track parameters in real time;
the track correction module is used for sending a control instruction to the thrust application control module, and if the accident position exceeds the detection range of the intelligent positioning device, the track correction module sends a control instruction for drilling according to a designed track to the thrust application control module by comparing borehole track parameters measured in real time by the track parameter measurement module with the designed track parameters; if the accident position is within the detection range of the intelligent positioning device, the track correction module receives the accident position positioning data transmitted by the intelligent positioning device and sends a control instruction for drilling into the accident position to the thrust application control module;
the thrust application control module is used for receiving the control command sent by the trajectory correction module and controlling the thrust application wing rib according to the control command sent by the trajectory correction module;
the thrust applying wing rib is used for applying a pushing force to the drill bit, the thrust applying wing rib is provided with a wing rib, and the wing rib stretches and retracts to apply a reverse acting force to the drill bit.
3. The system as claimed in claim 1, wherein a flexible short joint and an upper drilling tool assembly are connected above the intelligent thrust application tool in sequence.
4. The system of claim 1, wherein the intelligent positioning device and centralizer can be integrated into the component at the position close to the drill bit.
5. The system as claimed in claim 4, wherein the centralizer is a normal downhole full-hole centralizer or a rotary casing centralizer.
6. The deep space intelligent target-seeking leading-in well drilling method is characterized in that the deep space intelligent target-seeking leading-in well drilling rescue system of any one of claims 1-5 is adopted, and the method specifically comprises the following steps:
step 1, formulating a drilling scheme to determine a design track, and calculating the length of a flexible short section, the distance between the flexible short section and a thrust applying wing rib, the distance between the thrust applying wing rib and a centralizer and the distance between the centralizer and a drill bit;
step 2, assembling a deep space intelligent target-seeking leading-in well drilling rescue system according to the data calculated in the step 1;
step 3, drilling a relief well at the periphery of the accident well by utilizing a deep space intelligent target-seeking leading-in well drilling relief system, and performing deep space operation, wherein the deep space operation method specifically comprises the following steps:
the intelligent positioning device is used for measuring the distance between the accident occurrence position and the drill bit and the position of the accident occurrence position in real time, when the accident occurrence position exceeds the detection range of the intelligent positioning device, the intelligent thrust application tool compares the measured well deviation and the measured position with the design track parameters, and controls the thrust application wing rib to push the drill bit to drill along the design track according to the difference between the measured value and the design value until the accident position is within the detection range of the intelligent positioning device; when the accident position is within the detection range of the intelligent positioning device, the intelligent positioning device is used for measuring the distance between the accident position and the drill bit and the position of the accident position in real time, the accident position positioning data is obtained and transmitted to the intelligent thrust applying tool for guiding drilling operation, the intelligent thrust applying tool automatically controls the thrust applying wing rib to push the drill bit to push the accident position until the drill bit drills to the accident position, and the rescue well and the accident well are drilled through.
7. The deep space intelligent target-seeking leading-in drilling method according to claim 6, wherein in the step 3, the specific workflow of the intelligent thrust application tool is as follows:
when the intelligent thrust application tool controls a drill bit to drill along a designed track, the track parameter measurement module measures wellbore track parameters in real time and transmits the wellbore track parameters to the track proofreading module, the track proofreading module compares the wellbore track parameters measured by the track parameter measurement module in real time with the designed track parameters, a track control instruction is sent to the thrust application control module, and the thrust application control module controls the thrust application wing ribs to apply pushing force according to the drilling control instruction sent by the track proofreading module;
when the intelligent thrust application tool controls the drill bit to push against the accident position, the track correction module acquires accident position positioning data transmitted by the intelligent positioning device in real time, and sends a drilling instruction to the thrust application control module according to the accident position positioning data to control the thrust application wing rib to apply the pushing force.
8. The deep space intelligent target-seeking leading-in drilling method according to claim 7, wherein the thrust application control module controls the thrust application wing rib to apply the pushing force according to a command sent by the trajectory correction module, and when the trajectory correction module sends a slope increasing command, the thrust application control module controls the thrust application wing rib to apply a downward pushing force; when the track correction module sends a descending command, the thrust application control module controls the thrust application wing rib to apply upward thrust force; when the track correction module sends a landing direction instruction, the thrust application control module controls the thrust application wing rib to apply thrust force in the clockwise direction; when the track correction module sends an azimuth increasing command, the thrust application control module controls the thrust application wing rib to apply pushing force in the anticlockwise direction.
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