CN201507281U - Hollow sucker rod well flushing device - Google Patents
Hollow sucker rod well flushing device Download PDFInfo
- Publication number
- CN201507281U CN201507281U CN2009203125499U CN200920312549U CN201507281U CN 201507281 U CN201507281 U CN 201507281U CN 2009203125499 U CN2009203125499 U CN 2009203125499U CN 200920312549 U CN200920312549 U CN 200920312549U CN 201507281 U CN201507281 U CN 201507281U
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- hollow
- rod
- main valve
- hollow rod
- hole
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Abstract
The utility model relates to a hollow sucker rod well flushing device, which comprises a hollow feed rod connector, a hollow feed rod high-pressure temperature-resistance sealing device and a hollow sucker rod underground high-pressure injection device, wherein one end of the hollow feed rod connector is connected with a metal hose through a valve, the other end of the hollow feed rod connector is arranged at the upper end of a hollow feed rod, the hollow feed rod high-pressure temperature-resistance sealing device is sheathed on the hollow feed rod and is connected with a well opening device, and the other end of the hollow feed rod is sequentially connected with a hollow sucker rod, the hollow sucker rod underground high-pressure injection device and a solid sucker rod, wherein the hollow sucker rod, the hollow sucker rod underground high-pressure injection device and the solid sucker rod are arranged inside an underground oil pipe, a pipe opening of the underground oil pipe is arranged on the well opening device, and an oil outlet pipe is arranged on the well opening device. Thereby, the utility model provides the hollow sucker rod well flushing device with the advantages of high efficiency, low cost and energy source saving.
Description
Technical field
The utility model relates to the recover the oil well-flushing wax removal apparatus for eliminating sludge of the scale removal of hot washing oil wells wax removal, heavy oil wells thermal recovery water mixing device, particularly a kind of hollow rod of a kind of oil field.
Background technology
The oilfield exploitation middle and later periods, tube inner wall fouling wax deposition appears in long-term oil recovery of oil well oil conduit, internal diameter dwindles, output reduces, and power consumption is high, and heavy oil wells oil stream is problem such as flow difficulties in pit shaft, hot clean-up well injects hot water wash well wax removal from the oil jacket annular space at present, need heat big, easy and combination of zones pollutes the stratum; For the oil well that packer is arranged down, because packer influences by thermal source, packing element can be accelerated to wear out, and reduces the packing effect, shortens packer application life.As carry out then cost height of hot clean-up well or heavy oil heat production with high frequency electric source heating, utilize the oil field natural gas to add hot water, inject oil pipe inside from hollow rod, last ground return face, heat waste is little, does not pollute the stratum.
The utility model content
At the defective of above-mentioned prior art, the purpose of this utility model provides that a kind of efficient height, cost are low, the hollow rod well washing apparatus of energy conservation.
For achieving the above object, the utility model adopts following technical scheme:
A kind of hollow rod well washing apparatus, comprise hollow polished rod connector, hollow polished rod high-pressure refractory sealer and hollow rod down-hole high pressure injector, one end of described hollow polished rod connector connects metal hose by valve, the other end is contained in the upper end of hollow polished rod, described hollow polished rod high-pressure refractory sealer is sleeved on the hollow polished rod, and connection wellhead assembly, the other end of described hollow polished rod connects hollow rod successively, hollow rod down-hole high pressure injector and solid sucker rod, wherein said hollow rod, described hollow rod down-hole high pressure injector and described solid sucker rod are installed in down-hole oil tube inside, the mouth of pipe of described down-hole oil tube is installed on the described wellhead assembly, described wellhead assembly is provided with flowline, described hollow rod down-hole high pressure injector comprises that an end connects the hollow rod connector of hollow rod, the main valve body that is connected with the described hollow rod connector other end, the step of described main valve body bottom connects ball-and-seat, the step at middle part connects an end of main valve housing, the other end of described main valve housing connects described solid sucker rod, described main valve body is a double loop inlet and discharge valve body, the circumference aperture of described main valve body, the intracavity inter-connection of described aperture and described main valve housing, the middle part of described main valve body is provided with radially waist hole, the bottom is provided with central through hole, the lower port of described central through hole communicates with described ball-and-seat, and upper port communicates with described waist hole.
Hollow rod well washing apparatus of the present utility model is provided with the high-pressure refractory sealed packing in the wherein said hollow polished rod high-pressure refractory sealer.
Hollow rod well washing apparatus of the present utility model, wherein said high-pressure refractory sealed packing are Y type seal.
Hollow rod well washing apparatus of the present utility model, the material of wherein said high-pressure refractory sealed packing are fluorine glue.
Hollow rod well washing apparatus of the present utility model, wherein said aperture have four.
Hollow rod well washing apparatus of the present utility model is provided with sealing ring between wherein said main valve body and described main valve housing, is provided with sealing ring between described main valve body and described hollow rod connector.
The flushing fluid of heating is metal hose, valve, hollow polished rod connector, hollow polished rod, hollow rod and the hollow rod down-hole high pressure injector by high-pressure refractory successively, enter down-hole oil tube, mix with extraction liquid, give down-hole oil tube with thermal energy transfer, thereby reach the purpose of crude oil water mixing, viscous crude dilution, molten wax scale removal, and saved the energy, improved output; And, constantly extraction liquid and flushing fluid are discharged ground from oil well pump, down-hole oil tube, wellhead assembly and flowline by the acting of hollow rod upstream and downstream, and enter the ground fuel transfer system, reach and do not pollute the stratum, the purpose of increasing economic efficiency.
The flushing fluid of heat enters main valve housing by 4 apertures of main valve body circumference in the hollow rod down-hole high pressure injector, and enter down-hole oil tube from the central through hole and the waist hole of main valve body again by ball-and-seat, thereby reach transferring heat energy, molten wax scale removal, the purpose of viscous crude dilution.
The high-pressure refractory sealed packing material of installing in its hollow core polished rod high-pressure refractory sealer is a fluorine glue Y type seal, and high temperature high voltage resistant under the system pressure effect, has self-styled sealability, good seal performance, long service life.
Description of drawings
Fig. 1 is the utility model hollow rod well washing apparatus general structure schematic diagram;
Fig. 2 is the sectional view of the hollow rod down-hole high pressure injector of the utility model hollow rod well washing apparatus;
Fig. 3 is the A-A sectional view of main valve body among Fig. 2;
Fig. 4 is the half sectional view of the hollow polished rod high-pressure refractory sealer of the utility model hollow rod well washing apparatus.
The specific embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model hollow rod well washing apparatus.
Referring to Fig. 1, a kind of hollow rod well washing apparatus comprises hollow polished rod connector 1, hollow polished rod high-pressure refractory sealer 2 and hollow rod down-hole high pressure injector 3.One end of its hollow core polished rod connector 1 connects metal hose 5 by valve 4, the other end is contained in the upper end of hollow polished rod 8, hollow polished rod high-pressure refractory sealer 2 is sleeved on the hollow polished rod 8, and connection wellhead assembly 6, the other end of hollow polished rod 8 connects hollow rod 9 successively, hollow rod down-hole high pressure injector 3 and solid sucker rod 10, wherein hollow rod 9, hollow rod down-hole high pressure injector 3 and solid sucker rod 10 are installed in down-hole oil tube 7 inside, the mouth of pipe of down-hole oil tube 7 is installed on the wellhead assembly 6, and sets out oil pipe 18 on wellhead assembly 6.
In conjunction with Fig. 2, Fig. 3, hollow rod down-hole high pressure injector 3 comprises main valve housing 11, ball-and-seat 12, main valve body 13 and hollow rod connector 15, wherein hollow rod connector 15 threaded one ends connect hollow rod 9, a be threaded end of main valve body 13 of the other end, main valve housing 11 threaded one ends connect solid sucker rod 10, the be threaded step at main valve body 13 other ends middle parts of the other end, the lower step of main valve body 13 ball-and-seat 12 that is threaded, and between main valve body 13 and the main valve housing 11 sealing ring 14 is housed also, between main valve body 13 and the hollow rod connector 15 sealing ring 16 is housed.Wherein main valve body 13 is a double loop inlet and discharge valve body, 4 aperture 13A of main valve body 13 circumference, the intracavity inter-connection of aperture 13A and main valve housing 11, the middle part of main valve body 13 is provided with radially waist hole 13B, the bottom is provided with central through hole 13C, the lower port of central through hole 13C communicates with ball-and-seat 12, and upper port communicates with waist hole 13B.
In conjunction with Fig. 3, hollow polished rod high-pressure refractory sealer 2 is sleeved on hollow polished rod 8 and is installed on the wellhead assembly 6, the difference of itself and polished rod sealer of the prior art is: the asbestos packing in the polished rod sealer of the prior art is replaced with high-pressure refractory sealed packing 17, the material of high-pressure refractory sealed packing 17 is a fluorine glue Y type seal, high temperature high voltage resistant under the system pressure effect, has self-styled sealability, good seal performance, long service life.
During use, flushing fluid after filtering, after the heating of thermal source car, pressurize through high-pressure pump, pass through metal hose 5, valve 4, hollow polished rod connector 1, hollow polished rod 8, hollow rod 9 and the hollow rod down-hole high pressure injector 3 of high-pressure refractory successively, enter down-hole oil tube 7, thereby the wax dirt in the down-hole oil tube 7 is dissolved, perhaps dilute extraction liquid.Wherein Re flushing fluid enters main valve housing 11 by 4 aperture 13A of main valve body 13 circumference in the hollow rod down-hole high pressure injector 3, and enter down-hole oil tube 7 from the central through hole 13C and the waist hole 13B of main valve body 13 again by ball-and-seat 12, mix with extraction liquid, thereby transferring heat energy, molten wax scale removal, viscous crude dilution, saved the energy, improved output, reached the limit and recover the oil the purpose of limit well-flushing.Wherein the crude oil in the down-hole oil tube 7 is intercepted by ball-and-seat 12, can not enter hollow rod 9.Hollow polished rod high-pressure refractory sealer 2 is set in hollow polished rod 8 and is installed on the wellhead assembly 6, oil pumper connects corresponding polished rod eye, drive by oil pumper, the acting of hollow rod 9 upstream and downstreams, constantly extraction liquid and flushing fluid are discharged ground from oil well pump, down-hole oil tube 7, wellhead assembly 6 and flowline 18, enter the ground fuel transfer system, reach and do not pollute the stratum, the purpose of increasing economic efficiency.
High-pressure refractory sealed packing 17 materials of installing in its hollow core polished rod high-pressure refractory sealer 2 are fluorine glue Y type seal, and high temperature high voltage resistant under the system pressure effect, has self-styled sealability, good seal performance, long service life.
Material owing to manufacturing hollow rod well washing apparatus of the present utility model is steel again, low price, therefore, low cost of manufacture.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (6)
1. hollow rod well washing apparatus, it is characterized in that, comprise hollow polished rod connector (1), hollow polished rod high-pressure refractory sealer (2) and hollow rod down-hole high pressure injector (3), one end of described hollow polished rod connector (1) connects metal hose (5) by valve (4), the other end is contained in hollow polished rod (8) upper end, described hollow polished rod high-pressure refractory sealer (2) is sleeved on the hollow polished rod (8), and connection wellhead assembly (6), the other end of described hollow polished rod (8) connects hollow rod (9) successively, hollow rod down-hole high pressure injector (3) and solid sucker rod (10), wherein said hollow rod (9), described hollow rod down-hole high pressure injector (3) and described solid sucker rod (10) are installed in down-hole oil tube (7) inside, the mouth of pipe of described down-hole oil tube (7) is installed on the described wellhead assembly (6), described wellhead assembly (6) is provided with flowline (18), described hollow rod down-hole high pressure injector (3) comprises that an end connects the hollow rod connector (15) of hollow rod (9), the main valve body (13) that is connected with described hollow rod connector (15) other end, the step of described main valve body (13) bottom connects ball-and-seat (12), the step at middle part connects an end of main valve housing (11), the other end of described main valve housing (11) connects described solid sucker rod (10), described main valve body (13) is a double loop inlet and discharge valve body, the circumference aperture (13A) of described main valve body (13), the intracavity inter-connection of described aperture (13A) and described main valve housing (11), the middle part of described main valve body (13) is provided with radially waist hole (13B), the bottom is provided with central through hole (13C), the lower port of described central through hole (13C) communicates with described ball-and-seat (12), and upper port communicates with described waist hole (13B).
2. hollow rod well washing apparatus according to claim 1 is characterized in that, high-pressure refractory sealed packing (17) is set in the described hollow polished rod high-pressure refractory sealer (2).
3. hollow rod well washing apparatus according to claim 2 is characterized in that, described high-pressure refractory sealed packing (17) is a Y type seal.
4. hollow rod well washing apparatus according to claim 3 is characterized in that, the material of described high-pressure refractory sealed packing (17) is a fluorine glue.
5. hollow rod well washing apparatus according to claim 4 is characterized in that, described aperture (13A) has four.
6. hollow rod well washing apparatus according to claim 5, it is characterized in that, be provided with sealing ring (14) between described main valve body (13) and described main valve housing (11), be provided with sealing ring (16) between described main valve body (13) and described hollow rod connector (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203125499U CN201507281U (en) | 2009-10-15 | 2009-10-15 | Hollow sucker rod well flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203125499U CN201507281U (en) | 2009-10-15 | 2009-10-15 | Hollow sucker rod well flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507281U true CN201507281U (en) | 2010-06-16 |
Family
ID=42468409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203125499U Expired - Fee Related CN201507281U (en) | 2009-10-15 | 2009-10-15 | Hollow sucker rod well flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507281U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213874A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for washing oil well by hollow rod |
| CN104213873A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for determining well washing temperature of oil well hollow rod |
| CN105422051A (en) * | 2015-12-10 | 2016-03-23 | 吴明涛 | Oil production process device |
| CN112360372A (en) * | 2021-01-13 | 2021-02-12 | 东营政阳自动化科技有限公司 | Oil field well head greasy dirt cleaning treatment device |
-
2009
- 2009-10-15 CN CN2009203125499U patent/CN201507281U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213874A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for washing oil well by hollow rod |
| CN104213873A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for determining well washing temperature of oil well hollow rod |
| CN104213874B (en) * | 2013-06-05 | 2016-06-08 | 中国石油天然气股份有限公司 | Method for washing oil well by hollow rod |
| CN105422051A (en) * | 2015-12-10 | 2016-03-23 | 吴明涛 | Oil production process device |
| CN112360372A (en) * | 2021-01-13 | 2021-02-12 | 东营政阳自动化科技有限公司 | Oil field well head greasy dirt cleaning treatment device |
| CN112360372B (en) * | 2021-01-13 | 2021-06-18 | 东营市逸腾石油科贸有限公司 | Oil field well head greasy dirt cleaning treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20101015 |