CN115405284A - Sand washing receiving device of oil-gas treatment equipment of wave-resistant offshore platform - Google Patents
Sand washing receiving device of oil-gas treatment equipment of wave-resistant offshore platform Download PDFInfo
- Publication number
- CN115405284A CN115405284A CN202211035284.9A CN202211035284A CN115405284A CN 115405284 A CN115405284 A CN 115405284A CN 202211035284 A CN202211035284 A CN 202211035284A CN 115405284 A CN115405284 A CN 115405284A
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- Prior art keywords
- sand
- oil
- offshore platform
- sand washing
- gas treatment
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- 239000004576 sand Substances 0.000 title claims abstract description 133
- 238000005406 washing Methods 0.000 title claims abstract description 74
- 238000011084 recovery Methods 0.000 claims abstract description 37
- 239000010865 sewage Substances 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Treating Waste Gases (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a sand washing receiving device of wave-resistant offshore platform oil gas treatment equipment, which comprises a sand washing receiving tank, wherein a skim oil cavity and a sand setting cavity are arranged in the sand washing receiving tank, the skim oil cavity is arranged above the sand setting cavity, the top of the skim oil cavity is communicated with the sand setting cavity, one side wall of the sand washing receiving tank is communicated with a normal-pressure liquid inlet pipeline and a pressure liquid inlet pipeline which are connected into the sand setting cavity, the other side wall of the sand washing receiving tank is communicated with a suction pipeline of a waste oil recovery pump which is connected into the skim oil cavity, a discharge pipeline of the waste oil recovery pump is connected with a closed discharge tank of an offshore platform, the top of the sand washing receiving tank is communicated with a suction pipeline of a sewage recovery pump which is connected into the skim oil cavity and the sand setting cavity, and the discharge pipeline of the sewage recovery pump is connected with the closed discharge tank of the offshore platform; the sand washing device can solve the problem of receiving sand-containing water after the oil and gas treatment equipment of the offshore platform washes sand regularly, and reduces the risk that the sand washing receiving device is damaged by sea waves.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a sand washing receiving device of oil-gas treatment equipment of a wave-resistant offshore platform.
Background
In the process of offshore oilfield exploitation, sand is produced along with oil well produced liquid and enters oil and gas treatment equipment. The sand enters an oil and gas treatment facility of an offshore platform along with wellhead logistics and is gradually deposited at the bottom of equipment such as a separator, a buffer tank, a closed drainage tank and the like on the offshore platform, and the sand deposited at the bottom of the equipment can seriously affect the operation safety and the service life of the equipment. The operators of the offshore platforms regularly use the production water to wash the bottom of the equipment on line through the sand washing pipeline at the bottom of the equipment, so that the sand washing water of the equipment needs to be received by a device, and the sand washing receiving device needs to be arranged at the lowest point of all the equipment of the offshore platforms to receive the sand washing pipeline from each layer of equipment of the offshore platforms. The elevation of the lower deck of the offshore platform is designed according to the thousand-year-old wave height, so that if the sand wash receiving device is arranged below the lower deck of the offshore platform, there is a risk of damage by wave strikes. If the deck elevation of the offshore platform is increased due to the sand washing receiving device, the engineering investment cost of the offshore platform is increased.
Therefore, a sand washing receiving device of the wave-resistant offshore platform oil and gas treatment equipment is urgently needed, the offshore platform can be ensured to carry out sand washing work of the equipment regularly, and the risk that the sand washing receiving device is broken by sea waves is reduced.
Disclosure of Invention
The invention aims to provide a device capable of receiving sand-containing water after oil and gas treatment equipment of an offshore platform is periodically washed.
In order to solve the technical problem, the invention provides a sand washing receiving device of wave-resistant offshore platform oil gas treatment equipment, which comprises a sand washing receiving tank, wherein a oil skimming cavity and a sand setting cavity are arranged in the sand washing receiving tank, the oil skimming cavity is arranged above the sand setting cavity, the top of the oil skimming cavity is communicated with the sand setting cavity, one side wall of the sand washing receiving tank is communicated with a normal-pressure liquid inlet pipeline and a pressure liquid inlet pipeline which are connected into the sand setting cavity, the other side wall of the sand washing receiving tank is communicated with a suction pipeline of a waste oil recovery pump connected into the oil skimming cavity, a discharge pipeline of the waste oil recovery pump is connected with a closed discharge tank of an offshore platform, the top of the sand washing receiving tank is communicated with a suction pipeline of a sewage recovery pump connected into the oil skimming cavity and the sand setting cavity, and the discharge pipeline of the sewage recovery pump is connected with the closed discharge tank of the offshore platform.
According to a preferred embodiment of the invention, the top elevation of the sand washing receiving tank is 0.5m-1m higher than the lower deck elevation of the offshore platform.
According to a preferred embodiment of the invention, a 24-inch manhole is arranged on the side wall, close to the bottom, of the sand washing receiving tank at the sand setting cavity.
According to a preferred embodiment of the invention, a grid-type operation platform is arranged outside the bottom of the sand washing and receiving tank.
According to a preferred embodiment of the invention, the top of the sand wash receiving tank at the oil skimmer chamber is provided with an openable cover plate.
According to a preferred embodiment of the invention, the sand washing receiving device further comprises a vent line which is communicated with the top of the sand washing receiving tank.
According to a preferred embodiment of the present invention, a flame arrestor is also provided on the vent line.
According to a preferred embodiment of the invention, the sand wash receiving tank is a cylindrical atmospheric tank.
According to a preferred embodiment of the invention, the waste oil recovery pump is a centrifugal pump.
According to a preferred embodiment of the invention, the effluent recovery pump is an air operated diaphragm pump.
The invention has the technical effects that:
1. according to the sand washing receiving device for the oil-gas treatment equipment of the wave-resistant offshore platform, the sand-containing fluid without pressure of the lower deck enters the sand washing receiving tank from the normal-pressure liquid inlet pipeline, the fluid of the online sand washing pipeline of each equipment of the offshore platform enters the sand washing receiving tank from the pressure liquid inlet pipeline, after precipitation separation of the oil skimming cavity and the sand settling cavity, the liquid is pumped into the closed discharge tank through the waste oil recovery pump and sewage recovery, and the bottom of the settled sand is cleaned out, so that the beneficial effect of receiving the sand-containing water after periodic sand washing of the offshore platform oil can be realized.
2. The sand washing receiving device of the wave-resistant offshore platform oil and gas treatment equipment is arranged below a lower deck of an offshore platform and is in rigid connection with pile legs of the offshore platform, so that the risk that the sand washing receiving device is damaged by sea waves is reduced, the production stoppage maintenance period of the offshore platform due to sand deposition is shortened, the stability of oil and gas treatment facilities of the offshore platform is improved, and the corrosion of the facilities is slowed down.
3. The sand washing receiving device of the wave-resistant offshore platform oil and gas treatment equipment is arranged at the lowest point of the offshore platform, sand-containing discharged liquid of all equipment of the offshore platform can be collected, manual receiving is not needed, the design is simple, the operation is convenient, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a sand washing receiving device of an oil and gas treatment equipment of an anti-wave offshore platform.
Reference numerals are as follows: 1-a normal pressure liquid inlet pipeline; 2-liquid inlet pipeline with pressure; 3-24 inch manhole; 4-suction line of the sewage recovery pump; 5-a sand setting cavity; 6-oil skimming chamber; 7-openable cover plate; 8-detachable short section; 9-a blow-down line; 10-suction line of the waste oil recovery pump; 11-a waste oil recovery pump; 12-the discharge line of the waste oil recovery pump; 13-flame arrestors; 14-a sewage recovery pump; 15-discharge line of the sewage recovery pump.
Detailed Description
The present invention is further described below in conjunction with the drawings and the embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, a sand washing receiving device of wave-resistant offshore platform oil gas treatment equipment, including sand washing receiving tank 18, sand washing receiving tank 18 is inside to be equipped with oil skimming chamber 6 and sand setting chamber 5, oil skimming chamber 6 is located the sky of sand setting chamber 5 and the top is linked together with sand setting chamber 5, a lateral wall intercommunication of sand washing receiving tank 18 has the normal pressure inlet line 1 and the area pressure inlet line 2 of access sand setting chamber 5, another lateral wall intercommunication of sand washing receiving tank 18 has the suction pipeline 10 of the waste oil recovery pump 11 of access sand skimming chamber 6, the discharge pipeline 12 of waste oil recovery pump 11 links to each other with the closed discharge tank of offshore platform, the top intercommunication of sand washing receiving tank 18 has the suction pipeline 13 of the sewage recovery pump 14 of access sand skimming chamber 6 and sand setting chamber 5, the discharge pipeline 15 of sewage recovery pump 14 links to each other with the closed discharge tank of offshore platform.
As shown in fig. 1, the sand washing receiving device of the oil and gas treatment equipment on the wave-resistant offshore platform according to the embodiment of the present invention comprises the following specific structures:
a normal pressure liquid inlet pipeline 1 and a pressure liquid inlet pipeline 2 are connected into the sand washing receiving tank 18; the sand washing receiving tank 18 receives sand washing fluid of the offshore platform oil and gas treatment equipment, the sand washing receiving tank 18 is provided with an oil skimming cavity 6 and a sand setting cavity 5, and the sand washing receiving tank 18 is a cylindrical normal pressure tank and is rigidly and fixedly connected to the offshore platform pile legs; the elevation of the top of the sand washing receiving tank 18 is 1m higher than that of the lower deck of the offshore platform; the elevation of the bottom of the sand washing receiving tank 18 is lower than the maximum wave slapping height, and the tank body strength of the sand settling chamber 5 meets the requirement of resisting wave slapping;
the 24-inch manhole 3 is arranged at the bottom of the same side of the oil skimming cavity 6 and is 0.2m away from the bottom of the sand washing receiving tank 18.
An openable cover plate 7 is arranged at the top of the sand washing receiving tank 18 and above the oil skimming cavity 6, and a detachable short pipe 8 is arranged between the openable cover plate 7 and a pipeline connected with the openable cover plate 7, so that maintenance of the sand washing receiving tank 18 by offshore platform operators is facilitated.
A vent line 9 leads from the top of the sand wash receiving tank 18 and provides a flame arrestor 13.
The bottom of the sand washing receiving tank 18 is provided with a grid type operation platform which can reduce the stress of the offshore platform when the offshore platform is slammed by waves.
A suction pipeline 4 of a sewage recovery pump 14 is connected with the sand setting cavity 5 and the oil skimming cavity 6, and a discharge pipeline 15 of the sewage recovery pump 14 is connected with a closed discharge tank of the offshore platform; a sewage recovery pump 14 suction pipeline 4 is respectively provided with a hose suction pipeline in the oil skimming cavity 6 and the sand setting cavity 5; a hose suction pipeline of the sewage recovery pump 14 in the sand setting cavity 5 can reach the bottom of the sand washing receiving tank 18, so that sewage on the sand setting can be sucked; the sewage recovery pump 14 is a pneumatic diaphragm pump and is arranged at the top of the sand washing receiving tank 18; the sand washing water in the sand washing receiving tank 18 contains dust sand, the dust sand is not easy to settle and is not easy to be adsorbed by a pre-pump filter, and the pneumatic diaphragm pump has strong adaptability and can run with slag.
A suction pipeline 10 of a waste oil recovery pump 11 is connected with an oil skimming cavity 6 of a sand washing receiving tank 18, and a discharge pipeline 12 of the waste oil recovery pump 11 is connected with a closed discharge tank of the offshore platform; a suction pipeline 10 of a waste oil recovery pump 11 is connected out from the bottom of the oil skimming cavity 6; the pump type of the waste oil recovery pump 11 is a centrifugal pump and is arranged on a grid type operation platform at the bottom of the sand washing receiving tank 18;
the above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides an anti wave type offshore platform oil gas treatment facility sand washing receiving arrangement, a serial communication port, receive the jar including the sand washing, the sand washing is received jar inside and is equipped with oil skimming chamber and sand setting chamber, the oil skimming chamber is located the sky in sand setting chamber and the top is linked together with the sand setting chamber, a lateral wall intercommunication that the jar was received to the sand washing has the ordinary pressure feed liquor pipeline and the area pressure feed liquor pipeline that insert the sand setting chamber, another lateral wall intercommunication that the jar was received to the sand washing has the suction line of the waste oil recovery pump who inserts the oil skimming chamber, the discharge line of waste oil recovery pump links to each other with the jar of discharging that closes of offshore platform, the top intercommunication that the jar was received to the sand washing has the suction line of the sewage recovery pump that inserts oil skimming chamber and sand setting chamber, the discharge line of sewage recovery pump links to each other with the jar of discharging that closes of offshore platform.
2. The sand washing receiving device of claim 1, wherein the top elevation of the sand washing receiving tank is 0.5-1 m higher than the lower deck elevation of the offshore platform.
3. The sand washing and receiving device of the oil and gas treatment equipment of the wave-resistant offshore platform according to claim 1, wherein a 24-inch manhole is arranged on the side wall of the sand washing and receiving tank at the sand settling cavity, which is close to the bottom.
4. The sand wash receiving device for the wave-resistant offshore platform oil and gas treatment equipment according to claim 1, wherein a grid-type operation platform is arranged outside the bottom of the sand wash receiving tank.
5. The sand wash receiving device of the wave-resistant offshore platform oil and gas treatment equipment according to claim 1, wherein an openable cover plate is arranged at the top of the sand wash receiving tank at the oil skimming cavity.
6. The sand wash receiving device of the wave-resistant offshore platform oil and gas treatment equipment according to claim 1, further comprising a vent line, wherein the vent line is communicated with the top of the sand wash receiving tank.
7. The sand wash receiving device of an anti-wave offshore platform oil and gas treatment facility according to claim 6, wherein a flame arrester is further disposed on the vent line.
8. The sand wash receiving device of claim 1, wherein the sand wash receiving tank is a cylindrical atmospheric tank.
9. The sand wash receiving device of an anti-wave offshore platform oil and gas treatment facility according to claim 1, wherein the waste oil recovery pump is a centrifugal pump.
10. The sand washing and receiving device of the oil and gas treatment equipment of the wave-resistant offshore platform according to claim 1, wherein the sewage recovery pump is a pneumatic diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211035284.9A CN115405284B (en) | 2022-08-26 | 2022-08-26 | Sand washing receiving device of wave-resistant offshore platform oil and gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211035284.9A CN115405284B (en) | 2022-08-26 | 2022-08-26 | Sand washing receiving device of wave-resistant offshore platform oil and gas treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115405284A true CN115405284A (en) | 2022-11-29 |
| CN115405284B CN115405284B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211035284.9A Active CN115405284B (en) | 2022-08-26 | 2022-08-26 | Sand washing receiving device of wave-resistant offshore platform oil and gas treatment equipment |
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Citations (13)
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