CN203626662U - Gas-liquid dual-purpose continuous circulation drilling distribution manifold - Google Patents
Gas-liquid dual-purpose continuous circulation drilling distribution manifold Download PDFInfo
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- CN203626662U CN203626662U CN201320893868.XU CN201320893868U CN203626662U CN 203626662 U CN203626662 U CN 203626662U CN 201320893868 U CN201320893868 U CN 201320893868U CN 203626662 U CN203626662 U CN 203626662U
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Abstract
The utility model discloses a gas-liquid dual-purpose continuous circulation drilling distribution manifold which can switch flow channels for continuous circulation operation under the condition of different drilling circulation media such as gas, gas inflation and drilling liquid, and has filling and pressurizing functions. The upstream of the distribution manifold is connected with a drilling pump or/and a gas booster, the distribution manifold comprises a main channel, a bypass channel, a filling channel, a pressurizing channel and a decompression channel, the main channel is connected with a vertical pipe, and the bypass channel, the filling channel, the pressurizing channel and the decompression channel are connected with a bypass valve. The distribution manifold has the advantages that the continuous circulation drilling distribution manifold is simple in structure, easy to manufacture and maintain and detachable, continuous circulation drilling is realized under the condition of the different drilling circulation media, pressure is stably transited when the flow channels are switched, borehole problems caused by fluctuation of equivalent circulating density are avoided, so that drilling cycle is shortened, and drilling cost is effectively reduced.
Description
Technical field
The utility model relates to the ground diverter using in a kind of oil, Gas Industry drilling engineering, particularly a kind of continuous cyclic drilling diverter of gas liquid two purpose.
Background technology
In drilling operation course, when making up a joint or column and while making a trip, due to termination of pumping or turn on pump, can cause the fluctuation of down-hole pressure, thereby bring a series of borehole problems.Continuous cyclic drilling technology proposes in order to address this problem, this technology is switched drilling well circulatory mediator circulation path by Remote, continuous circulation when unload single or column in conjunction with the continuous circulation valve realization on drill string, maintain constant drilling well circulation discharge capacity and equal yield density, prevent from stopping while unloading single or column the generation of the accident complexity such as cave-in that circulation causes, overflow, sand setting bit freezing; Simultaneously can also continually carry the formation water entering in pit shaft when gas drilling, anti-sealing gathers, soaks the borehole wall in well, avoids occurring too high injection pressure, avoids the generation of gas drilling down-hole complexity; In the time of inflation, foam drilling, can avoid in drilling tool and annular space gas-liquid separation, guarantee to maintain constant fluid column pressure and injection pressure in pit shaft.
At present, the diverter that continuous cyclic drilling adopts both at home and abroad can be realized easy runner shunting handoff functionality, but does not consider the difference of gas and liquid.Due to the compressibility of gas, while adopting gas continuous cyclic drilling, conventional simple and easy diverter can meet the demands, but during for liquid phase or air-filling well-drilling, conventional diverter exposes series of problems.As when primary path circulation time, from upstream arterial road, bypass is shunted to filling supercharging, now can cause a large amount of fluids of arterial road to enter bypass, thereby cause primary path flow to reduce, fall in pressure wink seriously; Or bypass circulation time, from upstream arterial road, primary path is shunted to filling supercharging, now can cause a large amount of fluids of arterial road to enter primary path, thereby cause bypass flow to reduce, fall seriously in pressure wink.These will finally affect drilling well circulatory mediator equivalent circulating density, lose the meaning of continuous circulation.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of diverter of using in the continuous cyclic drilling process of the oil such as drilling fluid, gas and air-filling well-drilling, Gas Industry gas liquid two purpose of being applicable to is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of continuous cyclic drilling diverter of gas liquid two purpose, comprise the primary path, bypass, filling path, supercharging path and the pressure release path that are formed by connecting by flange by multiple short tubes, on each path, be respectively arranged with valve; On described primary path, comprise successively tube inlet joint, the 3rd hand-operated valve, standpipe main valve, the second hand-operated valve and remove stem joint; On described bypass, comprise successively described inlet attack, described the 3rd hand-operated valve, bypass main valve, removes by-pass connection; On described filling path, comprise successively filling joint, ball-and-seat, the secondary valve of standpipe, described the second hand-operated valve, described in go stem joint form primary path filling path and described filling joint, described ball-and-seat, the secondary valve of bypass, described in go by-pass connection to form bypass filling path; On described supercharging path, comprise successively described inlet attack, described the 3rd hand-operated valve, supercharging flap type, pressure charging valve, the secondary valve of described standpipe, described the second hand-operated valve, described in go stem joint form primary path supercharging path and described inlet attack, described the 3rd hand-operated valve, described supercharging flap type, described pressure charging valve, the secondary valve of described bypass, the bypass supercharging path that goes by-pass connection to form; Described in comprising successively on described pressure release path, remove stem joint, described the second hand-operated valve, the secondary valve of described standpipe, relief valve, the pressure release of relief fittings primary path form primary path pressure release path and described in remove by-pass connection, the secondary valve of described bypass, described relief valve, the bypass pressure release path that described relief fittings forms.
On described primary path and upper bypass, be respectively equipped with pressure meter.
Described standpipe main valve, the secondary valve of standpipe, relief valve, pressure charging valve, supercharging flap type, the secondary valve of bypass, bypass main valve are hydraulic operated valve.
The beneficial effects of the utility model are: this continuous cyclic drilling diverter manufacture simple in structure, easy, detachable, be easy to safeguard, realize the continuous cyclic drilling under different drilling well circulatory mediator conditions, and when runner switches, pressure smooth transition, the borehole problems of having avoided the fluctuation of equivalent circulating density to cause, shortens drilling period, effectively reduces drilling cost thereby reach.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the continuous cyclic drilling diverter structure of the utility model gas liquid two purpose.
In figure:
1. inlet attack 2. removes stem joint 3. filling joints
4. relief fittings 5. is removed by-pass connection 6. first hand-operated valves
7. the second hand-operated valve 8. the 3rd hand-operated valve 9. standpipe main valves
10. secondary valve 11. ball-and-seat 12. relief valves of standpipe
The secondary valve of 13. pressure charging valve 14. supercharging flap type 15. bypass
16. bypass main valve 17. primary path pressure meter 18. bypass pressure meters
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the schematic diagram of the continuous cyclic drilling diverter structure of utility model gas liquid two purpose.As shown in the figure, comprise: various terminal, hand-operated valve, the major and minor valve of standpipe, relief valve, pressure charging valve, supercharging flap type, the major and minor valve of bypass, ball-and-seat, main, bypass pressure meter, multiple short tubes and flange be formed by connecting primary path, bypass, filling path, supercharging path and pressure release path are respectively arranged with valve on each path; On described primary path, comprise successively tube inlet joint 1, the three hand-operated valve 8, standpipe main valve 9, the second hand-operated valves 7 and remove stem joint 2; On described bypass, comprise successively described inlet attack 1, described the 3rd hand-operated valve 8, bypass main valve 16, removes by-pass connection 5; On described filling path, comprise successively filling joint 3, ball-and-seat 11, the secondary valve 10 of standpipe, described the second hand-operated valve 7, described primary path filling path and the described filling joint 3 that goes stem joint 2 to form, described ball-and-seat 11, the secondary valve 15 of bypass, described in go by-pass connection 5 to form bypass filling path; On described supercharging path, comprise successively described inlet attack 1, described the 3rd hand-operated valve 8, supercharging flap type 14, pressure charging valve 13, the secondary valve 10 of described standpipe, described the second hand-operated valve 7, described in go stem joint 2 to form primary path supercharging path and described inlet attack 1, described the 3rd hand-operated valve 8, described supercharging flap type 14, described pressure charging valve 13, the secondary valve 15 of described bypass, the bypass supercharging path that goes by-pass connection 5 to form; Described in comprising successively on described pressure release path, remove stem joint 2, described the second hand-operated valve 7, the secondary valve 10 of described standpipe, relief valve 12, relief fittings 4 primary path pressure releases form primary path pressure release path and described in remove by-pass connection 5, the secondary valve 15 of described bypass, described relief valve 12, the bypass pressure release path that described relief fittings 4 forms.
On described primary path and upper bypass, be respectively equipped with pressure meter 17 and 18.
Described standpipe main valve 9, the secondary valve 10 of standpipe, relief valve 12, pressure charging valve 13, supercharging flap type 14, the secondary valve 15 of bypass, bypass main valve 16 are hydraulic operated valve.
According to wellbore construction requirement, realize enabling or closing of different passages by Long-distance Control case manipulation hydraulic operated valve, smooth transition and the runner of realizing pressure in single or column and the process that makes a trip switch.Maintain constant drilling well circulation discharge capacity and equal yield density, prevent from stopping while unloading single or column the generation of the accident complexity such as cave-in that circulation causes, overflow, sand setting bit freezing; Simultaneously can continually carry the formation water entering in pit shaft when gas drilling, anti-sealing gathers, soaks the borehole wall in well, avoids occurring too high injection pressure, avoids the generation of gas drilling down-hole complexity; In the time of inflation, foam drilling, can avoid in drilling tool and annular space gas-liquid separation, guarantee to maintain constant fluid column pressure and injection pressure in pit shaft.
The operating principle of the continuous cyclic drilling diverter of gas liquid two purpose:
Need to adopt continuous cyclic drilling time, open the second hand-operated valve 7, standpipe main valve 9 and the 3rd hand-operated valve 8, then close the first hand-operated valve 6, enter continuous cyclic drilling flow process.When making up a joint in During Air Drilling or when column, setting up after being connected of bypass and drill string, open bypass main valve 16, set up bypass circulation; Then close standpipe main valve 9; After well head continuous circulation valve primary path is closed, open the secondary valve 10 of standpipe and relief valve 12, realize primary path pressure release; Primary path pressure meter 17 is normally to make up a joint after zero or column operation cut out the secondary valve 10 of standpipe and relief valve 12.
Connect after single or column, open column main valve 9, set up primary path circulation; Then close bypass main valve 16; After well head continuous circulation valve bypass is closed, open the secondary valve 15 of bypass and relief valve 12, realize bypass pressure release; Bypass pressure meter 18 is zero rear dismounting bypass and being connected and cutting out the secondary valve 15 of bypass and relief valve 12 of drill string; Then recover normally to creep into.
In drilling fluid drilling well or air-filling well-drilling process, make up a joint or when column when adopting, setting up after being connected of bypass and drill string, open bypass pair valve 15, by topping-up pump, bypass is carried out to filling; After filling completes, open supercharging flap type 14 and pressure charging valve 13 carries out supercharging to bypass; After supercharging completes, close the secondary valve 15 of supercharging flap type 14, pressure charging valve 13 and bypass, and open bypass main valve 16, set up bypass circulation; Then close standpipe main valve 9; After well head continuous circulation valve primary path is closed, open the secondary valve 10 of standpipe and relief valve 12, realize primary path pressure release; Primary path pressure meter 17 is normally to make up a joint after zero or column operation cut out relief valve 12.
Connect after single or column, by topping-up pump, primary path is carried out to filling; After filling completes, open supercharging flap type 14 and pressure charging valve 13 carries out supercharging to primary path; After supercharging completes, close the secondary valve 10 of supercharging flap type 14, pressure charging valve 13 and standpipe, and open column main valve 9, set up primary path circulation; Then close bypass main valve 16; After well head continuous circulation valve bypass is closed, open the secondary valve 15 of bypass and relief valve 12, realize bypass pressure release; Bypass pressure meter 18 is zero rear dismounting bypass and being connected and cutting out the secondary valve 15 of bypass and relief valve 12 of drill string; Then recover normally to creep into.
The process that makes a trip and said process under gas drilling, drilling fluid drilling well and air-filling well-drilling condition are similar.
By using this continuous cyclic drilling diverter, realize the continuous cyclic drilling under different drilling well circulatory mediator conditions, and when runner switches, pressure smooth transition, a series of borehole problems of having avoided the fluctuation of equivalent circulating density to cause, thus reach the object that shortens drilling period, effectively reduces drilling cost.
Switch drilling well circulatory mediator circulation path by Remote, continuous circulation when unload single or column in conjunction with the continuous circulation valve realization on drill string, maintain constant drilling well circulation discharge capacity and equal yield density, prevent from stopping while unloading single or column the generation of the accident complexity such as cave-in that circulation causes, overflow, sand setting bit freezing; Simultaneously can continually carry the formation water entering in pit shaft when gas drilling, anti-sealing gathers, soaks the borehole wall in well, avoids occurring too high injection pressure, avoids the generation of gas drilling down-hole complexity; In the time of inflation, foam drilling, can avoid in drilling tool and annular space gas-liquid separation, guarantee to maintain constant fluid column pressure and injection pressure in pit shaft.
Claims (3)
1. a continuous cyclic drilling diverter for gas liquid two purpose, is characterized in that: comprise the primary path, bypass, filling path, supercharging path and the pressure release path that are formed by connecting by flange by multiple short tubes, on each path, be respectively arranged with valve;
On described primary path, comprise successively tube inlet joint (1), the 3rd hand-operated valve (8), standpipe main valve (9), the second hand-operated valve (7) and remove stem joint (2);
On described bypass, comprise successively described inlet attack (1), described the 3rd hand-operated valve (8), bypass main valve (16), removes by-pass connection (5);
On described filling path, comprise successively filling joint (3), ball-and-seat (11), the secondary valve of standpipe (10), described the second hand-operated valve (7), described primary path filling path and the described filling joint (3) that goes stem joint (2) to form, described ball-and-seat (11), the secondary valve of bypass (15), described in go by-pass connection (5) to form bypass filling path;
On described supercharging path, comprise successively described inlet attack (1), described the 3rd hand-operated valve (8), supercharging flap type (14), pressure charging valve (13), the secondary valve of described standpipe (10), described the second hand-operated valve (7), described primary path supercharging path and the described inlet attack (1) that goes stem joint (2) to form, described the 3rd hand-operated valve (8), described supercharging flap type (14), described pressure charging valve (13), the secondary valve of described bypass (15), the bypass supercharging path that goes by-pass connection (5) to form;
Described in comprising successively on described pressure release path, remove stem joint (2), described the second hand-operated valve (7), the secondary valve of described standpipe (10), relief valve (12), relief fittings (4) primary path pressure release form primary path pressure release path and described in remove by-pass connection (5), the secondary valve of described bypass (15), described relief valve (12), the bypass pressure release path that described relief fittings (4) forms.
2. continuous cyclic drilling diverter according to claim 1, is characterized in that: on described primary path and upper bypass, be respectively equipped with pressure meter (17) and (18).
3. continuous cyclic drilling diverter according to claim 1 and 2, is characterized in that: described standpipe main valve (9), standpipe secondary valve (10), relief valve (12), pressure charging valve (13), supercharging flap type (14), the secondary valve of bypass (15), bypass main valve (16) are hydraulic operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893868.XU CN203626662U (en) | 2013-12-28 | 2013-12-28 | Gas-liquid dual-purpose continuous circulation drilling distribution manifold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893868.XU CN203626662U (en) | 2013-12-28 | 2013-12-28 | Gas-liquid dual-purpose continuous circulation drilling distribution manifold |
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| CN203626662U true CN203626662U (en) | 2014-06-04 |
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| CN201320893868.XU Expired - Fee Related CN203626662U (en) | 2013-12-28 | 2013-12-28 | Gas-liquid dual-purpose continuous circulation drilling distribution manifold |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153733A (en) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Continuous circulating drilling system |
| CN104153729A (en) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Distribution manifold for continuous circulating drilling |
| CN104295237A (en) * | 2014-08-13 | 2015-01-21 | 中国石油集团渤海钻探工程有限公司 | Continuous gas lift liquid drain system and method in gas drilling process |
| CN104405346A (en) * | 2014-12-02 | 2015-03-11 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Hydraulic sand jet perforation choke manifold |
| CN104653106A (en) * | 2015-02-16 | 2015-05-27 | 中国石油集团渤海钻探工程有限公司 | Device for injecting solids into high-pressure gas |
| WO2021138800A1 (en) * | 2020-01-07 | 2021-07-15 | 烟台杰瑞石油装备技术有限公司 | Air source system using fracturing manifold apparatus to supply air to turbine engine |
| CN114622857A (en) * | 2021-07-16 | 2022-06-14 | 中国石油天然气集团有限公司 | Pressure-regulating circulating switching device and method suitable for gas continuous circulating drilling |
| CN114622852A (en) * | 2021-07-16 | 2022-06-14 | 中国石油天然气集团有限公司 | Circulation switching device and method for dry gas and atomized continuous circulation drilling |
| US11913380B2 (en) | 2020-01-07 | 2024-02-27 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Gas source system for supplying combustion gas to a turbine engine by fracturing manifold equipment |
| US11939921B2 (en) | 2021-11-09 | 2024-03-26 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Combustion-gas supply system and method thereof, device equipped with turbine engine, and fracturing system |
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2013
- 2013-12-28 CN CN201320893868.XU patent/CN203626662U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153733A (en) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Continuous circulating drilling system |
| CN104153729A (en) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Distribution manifold for continuous circulating drilling |
| CN104295237A (en) * | 2014-08-13 | 2015-01-21 | 中国石油集团渤海钻探工程有限公司 | Continuous gas lift liquid drain system and method in gas drilling process |
| CN104405346A (en) * | 2014-12-02 | 2015-03-11 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Hydraulic sand jet perforation choke manifold |
| CN104405346B (en) * | 2014-12-02 | 2017-06-13 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of hydraulic jet perforation choke manifold |
| CN104653106A (en) * | 2015-02-16 | 2015-05-27 | 中国石油集团渤海钻探工程有限公司 | Device for injecting solids into high-pressure gas |
| WO2021138800A1 (en) * | 2020-01-07 | 2021-07-15 | 烟台杰瑞石油装备技术有限公司 | Air source system using fracturing manifold apparatus to supply air to turbine engine |
| US11913380B2 (en) | 2020-01-07 | 2024-02-27 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Gas source system for supplying combustion gas to a turbine engine by fracturing manifold equipment |
| CN114622857A (en) * | 2021-07-16 | 2022-06-14 | 中国石油天然气集团有限公司 | Pressure-regulating circulating switching device and method suitable for gas continuous circulating drilling |
| CN114622852A (en) * | 2021-07-16 | 2022-06-14 | 中国石油天然气集团有限公司 | Circulation switching device and method for dry gas and atomized continuous circulation drilling |
| US11939921B2 (en) | 2021-11-09 | 2024-03-26 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Combustion-gas supply system and method thereof, device equipped with turbine engine, and fracturing system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |