CN102536191A - Automatic throttle control device for pressure-controlled well drilling - Google Patents
Automatic throttle control device for pressure-controlled well drilling Download PDFInfo
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- CN102536191A CN102536191A CN2012100678345A CN201210067834A CN102536191A CN 102536191 A CN102536191 A CN 102536191A CN 2012100678345 A CN2012100678345 A CN 2012100678345A CN 201210067834 A CN201210067834 A CN 201210067834A CN 102536191 A CN102536191 A CN 102536191A
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Abstract
The invention relates to the technical field of wellhead devices of oil gas drilling wells, and relates to an automatic throttle control device for pressure-controlled well drilling. The automatic throttle control device comprises an inlet five-port, an outlet five-port, a first four-port, a second four-port, a third four-port, a filter four-port, a fourth four-port and a fifth four-port, wherein a first pipeline is fixedly connected between the inlet five-port and the outlet five-port; a second pipeline is fixedly connected between the inlet five-port and the first four-port; and a third pipeline is fixedly connected between the first four-port and the outlet five-port. The automatic throttle control device has a reasonable and compact structure, is convenient to use and is provided with a straight flow channel, a main throttling channel, a spare throttling channel and a return pressure compensation throttling channel, and the channels can be selected correspondingly on the site according to actual working condition; and automatic throttle control pipe manifolds for the pressure-controlled well drilling can be controlled remotely and are high in automaticity and control accuracy, so that the safety and reliability of drilling operation are improved greatly, and the accurate control of the wellhead casing pressure of the oil gas wells in the well drilling process is implemented effectively.
Description
Technical field
the present invention relates to oil/gas drilling wellhead assembly technical field, are that a kind of controlled pressure drilling is used the self-choke control device.
Background technology
in drilling well work, when drilling fluid stops circulation time, its liquid column hydrostatic pressure must be greater than strata pressure, can prevent that just formation fluid from invading annular space, and promptly static pressure is steady; When circulation of drilling fluid, its liquid column hydrostatic pressure adds that inventionannulus flow presses the consumption again must be less than formation fracture pressure, just can prevent drilling fluid bleed stratum, i.e. dynamically leakproof; For the well of safe pressure window broad, be easy to realize the steady and dynamic leakproof of static pressure, but for the narrower well of safe pressure window; Because its formation collapsed pressure, pore pressure and formation fracture pressure are very approaching; Cause the inventionannulus flow of drilling fluid press consumption just near or surpass the safe pressure window, therefore, be difficult to realize the steady and dynamic leakproof of static pressure; Thereby the static complex situations of overflowing, dynamically leaking occur, cause great difficulty to oil reservoir protection and well control safety.The controlled pressure drilling technology is regarded as an airtight pressure system with whole bored shaft, according to the upper and lower bound of stratum safe pressure window, sets the control target of shaft bottom annular pressure; Control surface casing pressure in real time through controlled pressure drilling system equipment and technology; Realize the accurate control of shaft bottom annular pressure in the whole process of creeping into, make up a joint, make a trip; Implement controlled pressure drilling; The control of surface casing pressure is most important, and the self-choke control manifold is exactly the critical equipment that realizes surface casing pressure control target.
Summary of the invention
the invention provides a kind of controlled pressure drilling and use the self-choke control device, have overcome the deficiency of above-mentioned prior art, and it can effectively solve the unmanageable problem of surface casing pressure.
technical scheme of the present invention realizes through following measure: a kind of controlled pressure drilling is used the self-choke control device, comprises that inlet five-way, outlet five-way, first four-way, second four-way, the 3rd four-way, filtration four-way, the 4th four-way and the May 4th are logical; Be fixedly connected with first pipeline between inlet five-way and the outlet five-way, be fixedly connected with second pipeline between the inlet five-way and first four-way, be fixedly connected with the 3rd pipeline between first four-way and the outlet five-way; Be fixedly connected with the 4th pipeline between the inlet five-way and second four-way; Be fixedly connected with the 5th pipeline between second four-way and the 3rd four-way, be fixedly connected with the 6th pipeline between the 3rd four-way and the outlet five-way, be fixedly connected with the 7th pipeline between outlet five-way and the filtration four-way; Filter between four-way and the 4th four-way and be fixedly connected with the 8th pipeline; Be fixedly connected with the 9th pipeline between the 4th four-way and the May 4th are logical, the import of inlet five-way is fixedly connected with the tenth pipeline, and the outlet that the May 4th is logical is fixedly connected with the 11 pipeline; Be installed with first hand sluice valve on first pipeline; On second pipeline of first four-way, be installed with first hydraulic valve, first automatic throttle and second hand sluice valve successively from the inlet five-way, be installed with second hydraulic valve on the 4th pipeline, on the 5th pipeline of the 3rd four-way, be installed with second automatic throttle and the 3rd hand sluice valve successively from second four-way; Be installed with ball-and-seat on the 6th pipeline; Be installed with the 4th hand sluice valve on the 8th pipeline, be installed with mass flowmenter on the 9th pipeline, be installed with the 5th hand sluice valve on the 11 pipeline.
Be to the further optimization of foregoing invention technical scheme below or/and improve:
Can be fixedly connected with the 12 pipeline between
above-mentioned inlet five-way and the 6th four-way; Be fixedly connected with the 13 pipeline between the 6th four-way and the outlet five-way, the five-way that enters the mouth certainly is installed with the 3rd hydraulic valve, the 3rd automatic throttle and the 6th hand sluice valve successively on the 12 pipeline of the 6th four-way.
Can be fixedly connected with the 14 pipeline between the 11 pipeline after
above-mentioned filtration four-way and the 5th hand sluice valve, be installed with the 7th hand sluice valve on the 14 pipeline.
Can be installed with pressure sensor respectively on
the above-mentioned inlet five-way and second four-way.
Can be installed with angular displacement sensor respectively on
above-mentioned first automatic throttle, second automatic throttle and the 3rd automatic throttle.
Can be installed with near switch respectively on
above-mentioned first hydraulic valve, second hydraulic valve and the 3rd hydraulic valve.
Can be fixedly connected with first pipeline through the flange short circuit between
above-mentioned inlet five-way and the outlet five-way; Be fixedly connected with second pipeline through the flange short circuit between the inlet five-way and first four-way; Be fixedly connected with the 3rd pipeline through the flange short circuit between first four-way and the outlet five-way; Be fixedly connected with the 4th pipeline through the flange short circuit between the inlet five-way and second four-way; Be fixedly connected with the 5th pipeline through the flange short circuit between second four-way and the 3rd four-way, be fixedly connected with the 6th pipeline through the flange short circuit between the 3rd four-way and the outlet five-way, be fixedly connected with the 7th pipeline through the flange short circuit between outlet five-way and the filtration four-way; Filter between four-way and the 4th four-way and be fixedly connected with the 8th pipeline through the flange short circuit; Be fixedly connected with the 9th pipeline through the flange short circuit between the 4th four-way and the May 4th are logical, the import of inlet five-way is fixedly connected with the tenth pipeline through the flange short circuit, and the outlet that the May 4th is logical is fixedly connected with the 11 pipeline through the flange short circuit.
reasonable and compact in structure of the present invention, easy to use, this device has a direct current channel, a main throttling passage, a subsequent use throttling passage and a back pressure expansion joint circulation road; Corresponding choosing can be carried out according to actual condition in the scene, and controlled pressure drilling is used the self-choke control manifold, and is remote controlled; Automaticity is high; Control accuracy is high, has improved the safety and the reliability of drillng operation greatly, effectively realizes in the drilling process the accurate control to oil gas well surface casing pressure.
Description of drawings
accompanying drawing 1 is the schematic flow sheet of most preferred embodiment of the present invention.
Coding in
accompanying drawing is respectively: 1 is the inlet five-way, and 2 are the outlet five-way, and 3 is first pipeline, and 4 is first four-way, and 5 is second pipeline, and 6 is the 3rd pipeline; 7 is second four-way, and 8 is the 4th pipeline, and 9 is the 3rd four-way, and 10 is the 5th pipeline, and 11 is the 6th pipeline; 12 for filtering four-way, and 13 is the 7th pipeline, and 14 is the 4th four-way, and 15 is the 8th pipeline, and 16 is that the May 4th is logical; 17 is the 9th pipeline, and 18 is the tenth pipeline, and 19 is 11 pipelines, and 20 is first hand sluice valve, and 21 is first hydraulic valve; 22 is first automatic throttle, and 23 is second hand sluice valve, and 24 is second hydraulic valve, and 25 is second automatic throttle, and 26 is the 3rd hand sluice valve; 27 is ball-and-seat, and 28 is the 4th hand sluice valve, and 29 is mass flowmenter, and 30 is the 5th hand sluice valve, and 31 is the 6th four-way; 32 is the 12 pipeline, and 33 is the 13 pipeline, and 34 is the 3rd hydraulic valve, and 35 is the 3rd automatic throttle, and 36 is the 6th hand sluice valve; 37 the 14 pipelines, 38 is the 7th hand sluice valve, and 39 is pressure sensor, and 40 is angular displacement sensor, and 41 is near switch.
The specific embodiment
the present invention does not receive the restriction of following embodiment, can confirm concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position relation of forward and backward, upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
shown in accompanying drawing 1, this controlled pressure drilling comprises inlet five-way 1, outlet five-way 2, first four-way 4, second four-way 7, the 3rd four-way 9, filters four-way 12, the 4th four-way 14 and the May 4th logical 16 with the self-choke control device; Be fixedly connected with first pipeline 3 between inlet five-way 1 and the outlet five-way 2; Be fixedly connected with second pipeline 5 between the inlet five-way 1 and first four-way 4; Be fixedly connected with the 3rd pipeline 6 between first four-way 4 and the outlet five-way 2, be fixedly connected with between the 4th pipeline 8, the second four-ways 7 and the 3rd four-way 9 between the inlet five-way 1 and second four-way 7 and be fixedly connected with the 5th pipeline 10; Be fixedly connected with the 6th pipeline 11 between the 3rd four-way 9 and the outlet five-way 2; Be fixedly connected with the 7th pipeline 13 between outlet five-way 2 and the filtration four-way 12, be fixedly connected with between filtration four-way 12 and the 4th four-way 14 between the 8th pipeline 15, the four four-ways 14 and the May 4th logical 16 and be fixedly connected with the 9th pipeline 17; The import of inlet five-way 1 is fixedly connected with the tenth pipeline 18; The outlet of the May 4th logical 16 is fixedly connected with on the 11 pipeline 19, the first pipelines 3 and is installed with first hand sluice valve 20, and the five-way 1 that enters the mouth certainly is installed with first hydraulic valve 21, first automatic throttle 22 and second hand sluice valve 23 successively on second pipeline 5 of first four-way 4; Be installed with second hydraulic valve 24 on the 4th pipeline 8; Be installed with the 4th hand sluice valve 28 from second four-way 7 to being installed with successively on the 5th pipeline 10 of the 3rd four-way 9 to be installed with on ball-and-seat 27, the eight pipelines 15 on second automatic throttle 25 and the 3rd hand sluice valve 26, the six pipelines 11; Be installed with on the 9th pipeline 17 on mass flowmenter 29, the 11 pipelines 19 and be installed with the 5th hand sluice valve 30.The tenth pipeline 18, inlet five-way 1, first hand sluice valve 20 and outlet five-way 2 form direct current channels; The tenth pipeline 18, inlet five-way 1, first hydraulic valve 21, first automatic throttle 22, second hand sluice valve 23, first four-way 4 and outlet five-way 2 form main throttling passage; The tenth pipeline 18, inlet five-way 1, second hydraulic valve 24, second four-way 7, second automatic throttle 25, the 3rd hand sluice valve 26, the 3rd four-way 9, ball-and-seat 27 and outlet five-way 2 form back pressure expansion joint circulation roads; First hydraulic valve 21, second hydraulic valve 24 and the 3rd hydraulic valve 34 adopt the switch motion of hydraulic control gate valves; Switch motion is steady, and the pressure excitement is little, and high accuracy mass flowmenter 29 is installed; Measuring drilling fluid rate of discharge and density accurately; Be convenient to judge fast overflow and leakage, in time handle, strengthen drilling safety.
Can according to actual needs above-mentioned controlled pressure drilling be done further to optimize or/and improve with the self-choke control device:
are shown in accompanying drawing 1; Be fixedly connected with the 12 pipeline 32 between inlet five-way 1 and the 6th four-way 31; The 6th four-way 31 and outlet are fixedly connected with the 13 pipeline 33 between the five-way 2, and the five-way 1 that enters the mouth certainly is installed with the 3rd hydraulic valve 34, the 3rd automatic throttle 35 and the 6th hand sluice valve 36 successively on the 12 pipeline 32 of the 6th four-way 31.The tenth pipeline 18, inlet five-way 1, the 3rd hydraulic valve 34, the 3rd automatic throttle 35, the 6th hand sluice valve 35, the 6th four-way 31 and outlet five-way 2 form subsequent use throttling passage;
are filtered to be fixedly connected with between four-way 12 and the 5th hand sluice valve 30 the 11 pipeline 19 afterwards on the 14 pipeline 37, the 14 pipelines 37 and are installed with the 7th hand sluice valve 38 shown in accompanying drawing 1.When the 8th pipeline 15, the 9th pipeline 17 and the 11 pipeline 19 break down, the 37 replacement work of the 14 pipeline, the fault of convenient the 8th pipeline 15, the 9th pipeline 17 and the 11 pipeline 19 is got rid of.
are installed with pressure sensor 39 respectively on the inlet five-way 1 and second four-way 7 shown in accompanying drawing 1.Pressure sensor 39 can transfer to the computer terminal with pressure data.
are installed with angular displacement sensor 40 respectively on first automatic throttle 22, second automatic throttle 25 and the 3rd automatic throttle 35 shown in accompanying drawing 1.Angular displacement sensor 40 is used to measure the aperture of automatic throttle, can be with the aperture transfer of data of first automatic throttle 22, second automatic throttle 25 and the 3rd automatic throttle 35 to the computer terminal.
are installed with respectively near switch 41 on first hydraulic valve 21, second hydraulic valve 24 and the 3rd hydraulic valve 34 shown in accompanying drawing 1.Can be near switch 41 with the open and close state transfer of first hydraulic valve 21, second hydraulic valve 24 and the 3rd hydraulic valve 34 to the computer terminal.
are shown in accompanying drawing 1; Be fixedly connected with first pipeline 3 through the flange short circuit between inlet five-way 1 and the outlet five-way 2; Be fixedly connected with second pipeline 5 through the flange short circuit between the inlet five-way 1 and first four-way 4; Be fixedly connected with the 3rd pipeline 6 through the flange short circuit between first four-way 4 and the outlet five-way 2; Be fixedly connected with the 4th pipeline 8 through the flange short circuit between the inlet five-way 1 and second four-way 7; Be fixedly connected with the 5th pipeline 10, the three four-ways 9 through the flange short circuit between second four-way 7 and the 3rd four-way 9 and outlet is fixedly connected with the 6th pipeline 11 through the flange short circuit between the five-way 2, be fixedly connected with the 7th pipeline 13 through the flange short circuit between outlet five-way 2 and the filtration four-way 12; Filter between four-way 12 and the 4th four-way 14 and be fixedly connected with the 8th pipeline 15 through the flange short circuit; Be fixedly connected with the 9th pipeline 17 through the flange short circuit between the 4th four-way 14 and the May 4th logical 16, the import of inlet five-way 1 is fixedly connected with the 11 pipeline 19 through the outlet that the flange short circuit is fixedly connected with the tenth pipeline 18, the May 4ths logical 16 through the flange short circuit.
are gone up technical characterictic and have been constituted most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1. a controlled pressure drilling is used the self-choke control device, it is characterized in that comprising that inlet five-way, outlet five-way, first four-way, second four-way, the 3rd four-way, filtration four-way, the 4th four-way and the May 4th are logical; Be fixedly connected with first pipeline between inlet five-way and the outlet five-way, be fixedly connected with second pipeline between the inlet five-way and first four-way, be fixedly connected with the 3rd pipeline between first four-way and the outlet five-way; Be fixedly connected with the 4th pipeline between the inlet five-way and second four-way; Be fixedly connected with the 5th pipeline between second four-way and the 3rd four-way, be fixedly connected with the 6th pipeline between the 3rd four-way and the outlet five-way, be fixedly connected with the 7th pipeline between outlet five-way and the filtration four-way; Filter between four-way and the 4th four-way and be fixedly connected with the 8th pipeline; Be fixedly connected with the 9th pipeline between the 4th four-way and the May 4th are logical, the import of inlet five-way is fixedly connected with the tenth pipeline, and the outlet that the May 4th is logical is fixedly connected with the 11 pipeline; Be installed with first hand sluice valve on first pipeline; On second pipeline of first four-way, be installed with first hydraulic valve, first automatic throttle and second hand sluice valve successively from the inlet five-way, be installed with second hydraulic valve on the 4th pipeline, on the 5th pipeline of the 3rd four-way, be installed with second automatic throttle and the 3rd hand sluice valve successively from second four-way; Be installed with ball-and-seat on the 6th pipeline; Be installed with the 4th hand sluice valve on the 8th pipeline, be installed with mass flowmenter on the 9th pipeline, be installed with the 5th hand sluice valve on the 11 pipeline.
2. controlled pressure drilling according to claim 1 is used the self-choke control device; It is characterized in that entering the mouth and be fixedly connected with the 12 pipeline between five-way and the 6th four-way; Be fixedly connected with the 13 pipeline between the 6th four-way and the outlet five-way, the five-way that enters the mouth certainly is installed with the 3rd hydraulic valve, the 3rd automatic throttle and the 6th hand sluice valve successively on the 12 pipeline of the 6th four-way.
3. controlled pressure drilling according to claim 1 and 2 is used the self-choke control device; It is characterized in that filtering between the 11 pipeline after four-way and the 5th hand sluice valve and be fixedly connected with the 14 pipeline, be installed with the 7th hand sluice valve on the 14 pipeline.
4. controlled pressure drilling according to claim 1 and 2 is used the self-choke control device, is installed with pressure sensor respectively on it is characterized in that the entering the mouth five-way and second four-way.
5. controlled pressure drilling according to claim 3 is used the self-choke control device, is installed with pressure sensor respectively on it is characterized in that the entering the mouth five-way and second four-way.
6. controlled pressure drilling according to claim 1 and 2 is used the self-choke control device, it is characterized in that being installed with angular displacement sensor respectively on first automatic throttle, second automatic throttle and the 3rd automatic throttle.
7. controlled pressure drilling according to claim 5 is used the self-choke control device, it is characterized in that being installed with angular displacement sensor respectively on first automatic throttle, second automatic throttle and the 3rd automatic throttle.
8. controlled pressure drilling according to claim 1 and 2 is used the self-choke control device, it is characterized in that being installed with near switch respectively on first hydraulic valve, second hydraulic valve and the 3rd hydraulic valve.
9. controlled pressure drilling according to claim 7 is used the self-choke control device, it is characterized in that being installed with near switch respectively on first hydraulic valve, second hydraulic valve and the 3rd hydraulic valve.
10. controlled pressure drilling according to claim 9 is used the self-choke control device; It is characterized in that entering the mouth and be fixedly connected with first pipeline through the flange short circuit between five-way and the outlet five-way; Be fixedly connected with second pipeline through the flange short circuit between the inlet five-way and first four-way; Be fixedly connected with the 3rd pipeline through the flange short circuit between first four-way and the outlet five-way; Be fixedly connected with the 4th pipeline through the flange short circuit between the inlet five-way and second four-way; Be fixedly connected with the 5th pipeline through the flange short circuit between second four-way and the 3rd four-way, be fixedly connected with the 6th pipeline through the flange short circuit between the 3rd four-way and the outlet five-way, be fixedly connected with the 7th pipeline through the flange short circuit between outlet five-way and the filtration four-way; Filter between four-way and the 4th four-way and be fixedly connected with the 8th pipeline through the flange short circuit; Be fixedly connected with the 9th pipeline through the flange short circuit between the 4th four-way and the May 4th are logical, the import of inlet five-way is fixedly connected with the tenth pipeline through the flange short circuit, and the outlet that the May 4th is logical is fixedly connected with the 11 pipeline through the flange short circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067834.5A CN102536191B (en) | 2012-03-15 | 2012-03-15 | Automatic throttle control device for pressure-controlled well drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067834.5A CN102536191B (en) | 2012-03-15 | 2012-03-15 | Automatic throttle control device for pressure-controlled well drilling |
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| CN102536191A true CN102536191A (en) | 2012-07-04 |
| CN102536191B CN102536191B (en) | 2015-06-17 |
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| CN201210067834.5A Active CN102536191B (en) | 2012-03-15 | 2012-03-15 | Automatic throttle control device for pressure-controlled well drilling |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100219A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气集团公司 | Single-throttling-channel pressure control drilling method and device suitable for high-flow change |
| CN106761501A (en) * | 2017-02-10 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Single channel attachment-type pressure control device |
| CN107201884A (en) * | 2017-07-10 | 2017-09-26 | 中国石油集团西部钻探工程有限公司 | Fine controlled pressure drilling standpipe flow shunt control device and its back pressure compensation method |
| CN109469460A (en) * | 2018-05-14 | 2019-03-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN109899011A (en) * | 2019-04-10 | 2019-06-18 | 四川恒铭泽石油天然气工程有限公司 | A kind of oil/gas well full-automatic electric throttling control pressure system |
| CN110886585A (en) * | 2019-12-02 | 2020-03-17 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for back pressure compensation in drilling operation and use method thereof |
| CN113431513A (en) * | 2021-06-01 | 2021-09-24 | 四川宏华电气有限责任公司 | Full-automatic control system of high-pressure throttle manifold |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5857522A (en) * | 1996-05-03 | 1999-01-12 | Baker Hughes Incorporated | Fluid handling system for use in drilling of wellbores |
| CN101135236A (en) * | 2007-09-18 | 2008-03-05 | 中国石油天然气集团公司 | Collectively monitored throttling and controlling device |
| CN101694152A (en) * | 2009-10-30 | 2010-04-14 | 北京联合大学 | Multi-level fine choke manifold and automatic control system |
| CN201546648U (en) * | 2009-11-11 | 2010-08-11 | 中国石油天然气集团公司 | Novel throttle manifold for managed pressure drilling |
| CN201778705U (en) * | 2010-07-22 | 2011-03-30 | 中国石油天然气集团公司 | Pressure control drilling throttle device with two-stage throttling function |
| CN202467809U (en) * | 2012-03-15 | 2012-10-03 | 中国石油集团西部钻探工程有限公司 | Automatic throttling control device for pressure controlled drilling |
-
2012
- 2012-03-15 CN CN201210067834.5A patent/CN102536191B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5857522A (en) * | 1996-05-03 | 1999-01-12 | Baker Hughes Incorporated | Fluid handling system for use in drilling of wellbores |
| CN101135236A (en) * | 2007-09-18 | 2008-03-05 | 中国石油天然气集团公司 | Collectively monitored throttling and controlling device |
| CN101694152A (en) * | 2009-10-30 | 2010-04-14 | 北京联合大学 | Multi-level fine choke manifold and automatic control system |
| CN201546648U (en) * | 2009-11-11 | 2010-08-11 | 中国石油天然气集团公司 | Novel throttle manifold for managed pressure drilling |
| CN201778705U (en) * | 2010-07-22 | 2011-03-30 | 中国石油天然气集团公司 | Pressure control drilling throttle device with two-stage throttling function |
| CN202467809U (en) * | 2012-03-15 | 2012-10-03 | 中国石油集团西部钻探工程有限公司 | Automatic throttling control device for pressure controlled drilling |
Non-Patent Citations (1)
| Title |
|---|
| 伊明等: "控压钻井技术研究", 《新疆石油天然气》, vol. 6, no. 4, 31 December 2010 (2010-12-31), pages 32 - 37 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100219A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气集团公司 | Single-throttling-channel pressure control drilling method and device suitable for high-flow change |
| CN104100219B (en) * | 2013-04-03 | 2016-08-03 | 中国石油天然气集团公司 | A kind of single-unit circulation road controlled pressure drilling method and apparatus adapting to big changes in flow rate |
| CN106761501A (en) * | 2017-02-10 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Single channel attachment-type pressure control device |
| CN107201884A (en) * | 2017-07-10 | 2017-09-26 | 中国石油集团西部钻探工程有限公司 | Fine controlled pressure drilling standpipe flow shunt control device and its back pressure compensation method |
| CN109469460A (en) * | 2018-05-14 | 2019-03-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN109899011A (en) * | 2019-04-10 | 2019-06-18 | 四川恒铭泽石油天然气工程有限公司 | A kind of oil/gas well full-automatic electric throttling control pressure system |
| CN110886585A (en) * | 2019-12-02 | 2020-03-17 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for back pressure compensation in drilling operation and use method thereof |
| CN110886585B (en) * | 2019-12-02 | 2022-02-08 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for back pressure compensation in drilling operation and use method thereof |
| CN113431513A (en) * | 2021-06-01 | 2021-09-24 | 四川宏华电气有限责任公司 | Full-automatic control system of high-pressure throttle manifold |
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| CN102536191B (en) | 2015-06-17 |
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Address after: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Hongyan Road No. 80 Western Drilling Engineering Technology Research Institute of science and technology management department Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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Effective date of registration: 20200927 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |