CN106761501A - Single channel attachment-type pressure control device - Google Patents
Single channel attachment-type pressure control device Download PDFInfo
- Publication number
- CN106761501A CN106761501A CN201710074441.XA CN201710074441A CN106761501A CN 106761501 A CN106761501 A CN 106761501A CN 201710074441 A CN201710074441 A CN 201710074441A CN 106761501 A CN106761501 A CN 106761501A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- pressure control
- ball valve
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008676 import Effects 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
Abstract
The present invention relates to the technical field of controlled pressure drilling, it is a kind of single channel attachment-type pressure control device, it includes the first pipeline, and first manual slide valve, pressure gauge, the second manually gate valve, automatic throttle, the first ball valve, the second ball valve, flowmeter, the 3rd ball valve, the 3rd manually gate valve have been sequentially connected in series by import to outlet on the first pipeline.Reasonable and compact in structure of the present invention, it is easy to use, after its first manual slide valve is connected with choke manifold by flange respectively with the 3rd manually gate valve, can normally be used, be realized " plug and play ", it is convenient and swift, the equipment set-up time is shortened, human cost and cost of investment is saved；Simultaneously the drawbacks of which overcome conventional manual's pressure control, automatically controlling when realizing controlled pressure drilling, and pressure control data can be monitored and be recorded, with it is safe, laborsaving, easy, efficient the characteristics of.
Description
Technical field
It is a kind of single channel attachment-type pressure control device the present invention relates to the technical field of controlled pressure drilling.
Background technology
Controlled pressure drilling is one of important content of 21 century drilling well development of new techniques, is obtained for largely in international and national
Practical application.Statistics shows, using controlled pressure drilling, is not exclusively advantageous for carrying out Precise control to bottom pressure, suitable
Profit passes through narrow Density Window stratum, can also effectively evade blowout, leakage equivalent risk, ensures the smooth development of drilling well work,
Overall work effect is improved indirectly.But, there are the following problems for current controlled pressure drilling：Using the controlled pressure drilling that becomes more meticulous, install
Time needed for equipment is more long, and can influence normal drilling, and overall cost of human resources and cost of investment all can significantly go up
Rise；Using conventional controlled pressure drilling, fully relying on manpower carries out pressure control, it is impossible to realize automatic monitoring and the record of pressure control data, accurate
True property is poor.Therefore, a kind of controlled pressure drilling device is invented, human cost and cost of investment is reduced, realizes that automatic pressure-controlled is ability
Field technique personnel technical problem urgently to be resolved hurrily.
The content of the invention
The invention provides a kind of single channel attachment-type pressure control device, the deficiency of above-mentioned prior art is overcome, it can have
Effect solves that the set-up time that existing controlled pressure drilling equipment is present is long, accuracy is poor, waste time and energy, efficiency of construction is relatively low, there is peace
The problem of full hidden danger.
The technical scheme is that realized by following measures：A kind of single channel attachment-type pressure control device, including
First pipeline, first manual slide valve, pressure gauge, the second manual gate have been sequentially connected in series on the first pipeline by import to outlet
Valve, automatic throttle, the first ball valve, the second ball valve, flowmeter, the 3rd ball valve, the 3rd manually gate valve.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
Above-mentioned single channel attachment-type pressure control device also include the first thermometer, the first thermometer be serially connected in first manual slide valve with
On the first pipeline between pressure gauge.
Above-mentioned flow is calculated as coriolis mass flowmeters.
Above-mentioned single channel attachment-type pressure control device also includes the second pipeline, the 3rd pipeline and four-way connection, on the second pipeline
Manual throttle valve is serially connected with, the 4th ball valve is serially connected with the 3rd pipeline, the import of the second pipeline is connected to pressure gauge and second-hand
On the first pipeline between dynamic slide valve, the outlet of the second pipeline and the first fittings of four-way connection, the 3rd pipeline enter
Mouthful with the 3rd fittings of four-way connection, the outlet of the 3rd pipeline is connected between the 3rd ball valve and the 3rd manually gate valve
On first pipeline, the second fittings of the first ball valve and four-way connection, the 4th fittings of the second ball valve and four-way connection.
Above-mentioned single channel attachment-type pressure control device also includes second temperature meter, and second temperature meter is serially connected on the second pipeline.
Reasonable and compact in structure of the present invention, it is easy to use, its first manual slide valve and the 3rd manually gate valve respectively with
Choke manifold is after flange is connected, you can is normally used, realized " plug and play ", convenient and swift, shortens equipment
Set-up time, save human cost and cost of investment；The drawbacks of which overcoming conventional manual's pressure control simultaneously, realizes controlled pressure drilling
When automatically control, and pressure control data can be monitored and be recorded, with it is safe, laborsaving, easy, efficient the characteristics of.
Brief description of the drawings
Accompanying drawing 1 is the hydraulic schematic diagram of preferred embodiment.
Coding in accompanying drawing is respectively：1 is first manual slide valve, and 2 is the first thermometer, and 3 is pressure gauge, and 4 is manual
Choke valve, 5 is the second manually gate valve, and 6 is automatic throttle, and 7 is the first ball valve, and 8 is the second ball valve, and 9 is flowmeter, and 10 are
3rd ball valve, 11 is the 4th ball valve, and 12 is second temperature meter, and 13 is the 3rd manually gate valve, and 14 is the first pipeline, and 15 is second
Pipeline, 16 is choke manifold, and 17 is liquid-gas separator, and 18 is preventer, and 19 is the 3rd pipeline, and 20 is four-way connection.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determine specifically
Implementation method.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to the Butut of Figure of description
Direction determines.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in Figure 1, the single channel attachment-type pressure control device includes the first pipeline 14, by import to outlet on the first pipeline 14
It has been sequentially connected in series first manual slide valve 1, pressure gauge 3, the second manually gate valve 5, automatic throttle 6, the first ball valve 7, second
Ball valve 8, flowmeter 9, the 3rd ball valve 10, the 3rd manually gate valve 13.The present invention is a kind of single channel attachment-type pressure control device, the
After one manually gate valve 1 is connected with choke manifold 16 by flange respectively with the 3rd manually gate valve 13, you can normally made
With, realize " plug and play ", it is convenient and swift, the equipment set-up time is shortened, save human cost and cost of investment；While its
The drawbacks of overcoming conventional manual's pressure control, automatically controlling when realizing controlled pressure drilling, and pressure control data can be supervised
Survey and record.
Above-mentioned single channel attachment-type pressure control device can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, above-mentioned single channel attachment-type pressure control device also includes the first thermometer 2, and the first thermometer 2 is serially connected in the
On the first pipeline 14 between one manually gate valve 1 and pressure gauge 3.First thermometer 2 can measure liquid in the first pipeline
Temperature, facilitates Field Force to be monitored and record pressure control data.
As shown in Figure 1, above-mentioned flowmeter 9 is coriolis mass flowmeters.Coriolis mass flowmeters are directly surveyed
Amount mass flow, there is a measuring accuracy very high, measurable fluid it is in extensive range.
As shown in Figure 1, above-mentioned single channel attachment-type pressure control device also includes the second pipeline 15, the 3rd pipeline 19 and four-way
Joint 20, is serially connected with manual throttle valve 4 on the second pipeline 15, the 4th ball valve 11, the second pipeline 15 are serially connected with the 3rd pipeline 19
Import be connected on the first pipeline 14 between the manually gate valve 5 of pressure gauge 3 and second, the outlet of the second pipeline 15 and four-way
First fittings of joint 20, the import of the 3rd pipeline 19 and the 3rd fittings of four-way connection 20, the 3rd pipeline 19
Outlet is connected on the first pipeline 14 between the 3rd ball valve 10 and the 3rd manually gate valve 13, the first ball valve 7 and four-way connection
4th fittings of 20 the second fittings, the second ball valve 8 and four-way connection 20.So, the present invention can not only be realized
Automatic pressure-controlled function, can also realize aiding in pressure control manually based on drilling team's choke manifold 16, and the stability of a system is higher.It is such as attached
Shown in Fig. 1, the left side of four-way connection 20 is the first joint, and downside is the second joint, and right side is the 3rd joint, and upside connects for the 4th
Head.
As shown in Figure 1, above-mentioned single channel attachment-type pressure control device also includes second temperature meter 12, and second temperature meter 12 is gone here and there
It is connected on the second pipeline 15.Second temperature meter 12 can measure the temperature of liquid in second pipe, facilitate Field Force to pressure control
Data are monitored and record.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
The use process of preferred embodiment：
During normal drilling：Drilling fluid enters from first manual slide valve 1, passes sequentially through the first thermometer 2, pressure gauge 3, second
Manually gate valve 5, automatic throttle 6, the first ball valve 7, the second ball valve 8, flowmeter 9, the 3rd ball valve 10, subsequently into the 3rd hand
Dynamic slide valve 13, after enter liquid-gas separator 17, in this process, the ball of manual throttle valve 4 and the 4th further through the pipeline of connection
Valve 11 is remained off, and automatic throttle 6 realizes self-choke function.
When making up a joint：Drilling fluid by kill manifold enter annular space after, into choke manifold 16, from first manual slide valve
Enter at 1, pass sequentially through the first thermometer 2, pressure gauge 3, the second manually gate valve 5, automatic throttle 6, the first ball valve 7, the
Two ball valves 8, flowmeter 9, the 3rd ball valve 10, subsequently into the 3rd manually gate valve 13, after enter liquid further through the pipeline of connection
Gas separating device 17, in this process, the ball valve 11 of manual throttle valve 4 and the 4th is remained off, and automatic throttle 6 is realized automatically
Throttling function.
When changing the glue heart：Annular preventer 18 is closed, drilling fluid by kill manifold enter annular space after, into choke manifold
16 pipelines, from first manual slide valve 1 enter, pass sequentially through the first thermometer 2, pressure gauge 3, the second manually gate valve 5, from
Dynamic choke valve 6, the first ball valve 7, the second ball valve 8, flowmeter 9, the 3rd ball valve 10, subsequently into the 3rd manually gate valve 13, after
Pipeline further through connection enters liquid-gas separator 17, and in this process, the ball valve 11 of manual throttle valve 4 and the 4th remains turned-off shape
State, automatic throttle 6 realizes self-choke function.
When automatic throttle 6 is damaged：Drilling fluid enters from first manual slide valve 1, pass sequentially through the first thermometer 2,
Pressure gauge 3, manual throttle valve 4, second temperature meter 12, the second ball valve 8, flowmeter 9, the 3rd ball valve 10, subsequently into the 3rd hand
Dynamic slide valve 13, after enter liquid-gas separator 17 further through the pipeline of connection, in this process, the second manually gate valve 5 and the
Four ball valves 11 are remained off, and manual throttle valve 4 realizes manual throttle function.
When coriolis mass flowmeters are damaged：Drilling fluid enters from first manual slide valve 1, passes sequentially through the first temperature
Degree meter 2, pressure gauge 3, the second manually gate valve 5, automatic throttle 6, the first ball valve 7, the 4th ball valve 11, subsequently into the 3rd hand
Dynamic slide valve 13, after enter liquid-gas separator 17, in this process, manual throttle valve 4, the second ball valve further through the pipeline of connection
8 and the 3rd ball valve 10 remain off, automatic throttle 6 realizes self-choke function.
During into normal well control or detaching equipment：Close first manual slide valve 1 and the 3rd manually gate valve 13.
Claims (7)
1. a kind of single channel attachment-type pressure control device, it is characterised in that including the first pipeline, by import to exporting on the first pipeline
Be sequentially connected in series first manual slide valve, pressure gauge, the second manually gate valve, automatic throttle, the first ball valve, the second ball valve,
Flowmeter, the 3rd ball valve, the 3rd manually gate valve.
2. single channel attachment-type pressure control device according to claim 1, it is characterised in that single channel attachment-type pressure control device
Also include the first thermometer, the first thermometer is serially connected on the first pipeline between first manual slide valve and pressure gauge.
3. single channel attachment-type pressure control device according to claim 1 and 2, it is characterised in that flow is calculated as Coriolis matter
Amount flowmeter.
4. single channel attachment-type pressure control device according to claim 1 and 2, it is characterised in that single channel attachment-type pressure control is filled
Putting also includes the second pipeline, the 3rd pipeline and four-way connection, and manual throttle valve is serially connected with the second pipeline, is concatenated on the 3rd pipeline
The import for having the 4th ball valve, the second pipeline is connected on the first pipeline between pressure gauge and the second manually gate valve, the second pipe
The outlet on road and the first fittings of four-way connection, the import of the 3rd pipeline and the 3rd fittings of four-way connection, the 3rd
The outlet of pipeline is connected on the first pipeline between the 3rd ball valve and the 3rd manually gate valve, the first ball valve and four-way connection
4th fittings of the second fittings, the second ball valve and four-way connection.
5. single channel attachment-type pressure control device according to claim 3, it is characterised in that single channel attachment-type pressure control device
Also include the second pipeline, the 3rd pipeline and four-way connection, manual throttle valve is serially connected with the second pipeline, be serially connected with the 3rd pipeline
4th ball valve, the import of the second pipeline is connected on the first pipeline between pressure gauge and the second manually gate valve, the second pipeline
Outlet and four-way connection the first fittings, the import of the 3rd pipeline and the 3rd fittings of four-way connection, the 3rd pipe
The outlet on road is connected on the first pipeline between the 3rd ball valve and the 3rd manually gate valve, and the of the first ball valve and four-way connection
4th fittings of two fittings, the second ball valve and four-way connection.
6. single channel attachment-type pressure control device according to claim 4, it is characterised in that attached formula pressure control device also includes the
Two thermometers, second temperature meter is serially connected on the second pipeline.
7. single channel attachment-type pressure control device according to claim 5, it is characterised in that attached formula pressure control device also includes the
Two thermometers, second temperature meter is serially connected on the second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074441.XA CN106761501A (en) | 2017-02-10 | 2017-02-10 | Single channel attachment-type pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074441.XA CN106761501A (en) | 2017-02-10 | 2017-02-10 | Single channel attachment-type pressure control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761501A true CN106761501A (en) | 2017-05-31 |
Family
ID=58956359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710074441.XA Pending CN106761501A (en) | 2017-02-10 | 2017-02-10 | Single channel attachment-type pressure control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761501A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963086A (en) * | 2020-08-24 | 2020-11-20 | 中海石油(中国)有限公司 | Pressure control system and method for pressure control underbalance drilling process |
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| CN102536191A (en) * | 2012-03-15 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for pressure-controlled well drilling |
| CN202370463U (en) * | 2011-12-20 | 2012-08-08 | 中国石油大学(北京) | Pressure control throttling pipe manifold |
| CN103256015A (en) * | 2013-05-06 | 2013-08-21 | 中国石油大学(北京) | Wellhead back pressure controlling system of managed pressure drilling and wellhead back pressure controlling method |
| 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 |
| CN204782866U (en) * | 2015-05-20 | 2015-11-18 | 成都科特柯本科技有限公司 | Well drilling choke manifold device is pressed in accuse |
| CN204851126U (en) * | 2015-07-28 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Automatic pipe -line system that throttles of well drilling is pressed in single channel accuse |
-
2017
- 2017-02-10 CN CN201710074441.XA patent/CN106761501A/en active Pending
Patent Citations (6)
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| CN202370463U (en) * | 2011-12-20 | 2012-08-08 | 中国石油大学(北京) | Pressure control throttling pipe manifold |
| CN102536191A (en) * | 2012-03-15 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for pressure-controlled well drilling |
| 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 |
| CN103256015A (en) * | 2013-05-06 | 2013-08-21 | 中国石油大学(北京) | Wellhead back pressure controlling system of managed pressure drilling and wellhead back pressure controlling method |
| CN204782866U (en) * | 2015-05-20 | 2015-11-18 | 成都科特柯本科技有限公司 | Well drilling choke manifold device is pressed in accuse |
| CN204851126U (en) * | 2015-07-28 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Automatic pipe -line system that throttles of well drilling is pressed in single channel accuse |
Non-Patent Citations (1)
| Title |
|---|
| 涂亚庆著, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963086A (en) * | 2020-08-24 | 2020-11-20 | 中海石油(中国)有限公司 | Pressure control system and method for pressure control underbalance drilling process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201104 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant 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 Applicant before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |