CN111140189A - Quick logging rock debris collecting system of closed drilling circulation system of sulfur-containing stratum - Google Patents
Quick logging rock debris collecting system of closed drilling circulation system of sulfur-containing stratum Download PDFInfo
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- CN111140189A CN111140189A CN201911077506.1A CN201911077506A CN111140189A CN 111140189 A CN111140189 A CN 111140189A CN 201911077506 A CN201911077506 A CN 201911077506A CN 111140189 A CN111140189 A CN 111140189A
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- cleaning
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- 239000011435 rock Substances 0.000 title claims abstract description 45
- 238000005553 drilling Methods 0.000 title claims abstract description 42
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 33
- 239000011593 sulfur Substances 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 26
- 238000005086 pumping Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 16
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 239000012459 cleaning agent Substances 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 7
- 238000000034 method Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 description 18
- 238000005070 sampling Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of oil drilling closed drilling processes, and particularly relates to a rapid logging rock debris collecting system of a sulfur-bearing stratum closed drilling circulating system.
Description
Technical Field
The invention belongs to the technical field of oil drilling closed drilling processes, and particularly relates to a rapid logging rock debris collecting system of a sulfur-containing stratum closed drilling circulating system.
Background
During drilling, drilling fluid containing multiphase flow substances (natural gas, hydrogen sulfide and rock debris) returned to the ground from a shaft is guided to enter a ground manifold through a wellhead device, formation fluid can return to the ground along with drilling fluid, and when a sulfur-containing formation is encountered during drilling, sulfide can rise to the ground along with the returned drilling fluid and leak to cause harm to the environment.
If among the prior art, if the publication number is CN201090210Y, the chinese utility model patent document of the name "an automatic sampling device of gas drilling detritus" just discloses an automatic sampling device of gas drilling detritus for the collection of detritus in the gas drilling, a manufacturing technical field of automatic sampling device of gas drilling detritus is related to, this utility model includes detritus collection, detritus storage and control triplex, the sampling tube is installed in the top of main manifold, be provided with the exhaust hole in the upper end outer fringe of detritus collecting cylinder, inside is provided with the filter, the valve is connected with valve controller, valve controller is connected with control computer, opening or closing of valve is controlled by valve controller according to the detritus that the computer provided returns time.
However, the technical scheme does not consider the situation of heavy pollution sources such as sulfide carried in produced liquid, and the simplest and direct production collection control mode is not applicable to the current production requirement. Under the new requirements of safety and environmental protection, the harm to the environment caused by the return of sulfide in the drilling and production process is avoided, so that in order to meet the new environment and requirements, a drilling fluid closed circulation system design is adopted to avoid production leakage.
Disclosure of Invention
The invention aims to provide a rapid logging rock debris collecting system of a closed drilling circulation system of a sulfur-containing stratum, which can effectively solve the technical problem that rock debris cannot be obtained in time in the closed circulation system of the sulfur-containing stratum, can collect rock debris samples in drilling fluid in a completely closed environment with pressure, can prevent hydrogen sulfide in returned fluid from causing harm to personnel and the environment, and meets the safety requirement of drilling operation of the sulfur-containing stratum.
The utility model provides a quick logging detritus collection system of airtight well drilling circulation system in sulphur stratum which characterized in that: the device comprises a rock debris collecting loop arranged on a main path of a circulating system, and a sulfur removing branch, a cleaning branch and a storage branch which are arranged on the rock debris collecting loop;
the debris collecting loop comprises a main valve and a main flowmeter which are arranged on a main path of the circulating system, and a separating cylinder which is connected to the main path of the circulating system through an inlet pipeline and an outlet pipeline, wherein an inlet valve is arranged on an inlet pipeline of the separating cylinder, an outlet valve is arranged on an outlet pipeline of the separating cylinder, and the main valve and the main flowmeter are arranged between the inlet pipeline and the outlet pipeline;
the desulfurizing branch comprises a desulfurizing agent input pipeline which is connected with the separating cylinder and is provided with a desulfurizing valve; the hydrogen sulfide monitoring meter is connected with the sulfur removal valve in a signal control mode and used for detecting hydrogen sulfide data in the separation cylinder; namely, the injection amount of the sulfur removing agent is determined by a feedback signal of a hydrogen sulfide monitoring meter on the separation cylinder;
the cleaning branch comprises a cleaning agent input pipeline which is connected to the separating cylinder and is provided with a cleaning agent pumping unit and a cleaning valve, and a compressed gas input pipeline which is also connected to the separating cylinder and is provided with a compressed gas valve.
The storage branch comprises a drying device and a rock debris storage box connected with the debris discharging area at the bottom of the separation cylinder through a debris discharging pipeline with a debris discharging valve.
And the pressure relief branch comprises a pressure relief pipeline connected to the separating cylinder and provided with a pressure relief valve, and a pressure detection unit connected to the pressure relief valve and used for detecting the internal pressure of the separating cylinder.
An outlet flowmeter for detecting the flow in the outlet pipeline is arranged on the outlet pipeline; the sampling is started, the inlet valve and the outlet valve are opened at first, then the opening degree of the main valve is slowly reduced, and the rock debris collecting loop can be judged to be conducted and sampling is started until the outlet flowmeter has a certain drilling fluid flow value.
Preferably, the main valve is disposed at an end of the main circulation system path near the interface between the inlet pipeline and the main circulation system path, and the main flow meter is disposed at an end of the main circulation system path near the interface between the outlet pipeline and the main circulation system path.
And a separating cylinder differential pressure monitoring meter for detecting the differential pressure in the inlet pipeline and the outlet pipeline is connected between the inlet pipeline and the outlet pipeline of the separating cylinder. Therefore, the rock debris collection time can be judged through the detection value of the separating cylinder differential pressure monitoring meter, and the rock debris collection can be finished when the differential pressure exceeds a certain value (a set threshold value) according to the use requirement.
The cleaning liquid pumping unit and the cleaning valve are controlled in a combined manner, namely the cleaning liquid pumping unit and the cleaning valve are switched on and off at the same time to avoid backflow or damage a pump device; and the cleaning valve is interlocked with the drying device, namely the drying device and the cleaning branch cannot work simultaneously, so that the process cost is avoided being wasted.
And a waste liquid discharge pipeline with a waste liquid pumping unit and a liquid discharge valve is further arranged at the bottom of the rock debris storage tank.
Compared with the prior art, the technical scheme of the invention comprises a four-phase separation design, a hydrogen sulfide removing device and the like. The system abandons the traditional vibrating screen and carries out separation treatment on the fluid returned from the wellhead under the closed condition on the ground. The solid phase separation is carried out in a gravity separation mode in the tank, and the treatment method has the characteristics of large treatment capacity and sealing safety.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic diagram of the connection relationship of a basic solution of the present invention;
FIG. 2 is a schematic diagram of a preferred connection scheme in an embodiment of the present invention;
wherein:
1. a main valve; 2. an inlet valve; 3. an outlet valve; 4. a separating cylinder differential pressure monitoring meter; 5. a pressure relief valve; 6. a sulfur removal valve; 7. a pressure detection unit; 8. a separation cylinder; 9. an outlet flow meter; 10. a compressed air valve; 11. a chip removal valve; 12. a rock debris storage bin; 13. cleaning the valve; 14. a cleaning liquid pumping unit; 15. a drain valve; 16. a waste liquid pumping unit; 17. a primary flow meter; 18. a hydrogen sulfide monitor; 19. and (7) a drying device.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
As a most basic embodiment of the present invention, referring to fig. 1, the system for collecting rock debris from a closed drilling circulation system for a sulfur-containing formation, disclosed in this example, includes a rock debris collecting loop disposed on a main path of the circulation system, and a sulfur removing branch, a cleaning branch and a storage branch disposed on the rock debris collecting loop.
The debris collecting loop comprises a main valve 1 and a main flow meter 17 which are arranged on a main path of the circulating system, and a separating cylinder 8 which is connected to the main path of the circulating system through an inlet pipeline and an outlet pipeline, wherein an inlet valve 2 is arranged on an inlet pipeline of the separating cylinder 8, an outlet valve 3 is arranged on an outlet pipeline, and the main valve 1 and the main flow meter 17 are arranged between the inlet pipeline and the outlet pipeline.
The desulphurization branch comprises a desulphurization agent input pipeline which is connected with the separation cylinder 8 and is provided with a desulphurization valve 6; the hydrogen sulfide monitoring meter is connected with the sulfur removal valve 6 in a signal control mode and used for detecting hydrogen sulfide data in the separation cylinder 8; namely, the injection amount of the sulfur removing agent is determined by the feedback signal of the hydrogen sulfide monitoring meter 18 on the separation cylinder 8.
The cleaning branch comprises a cleaning agent input pipeline which is connected to the separation cylinder 8 and is provided with a cleaning agent pumping unit 14 and a cleaning valve 13, and a compressed gas input pipeline which is also connected to the separation cylinder 8 and is provided with a compressed gas valve 10.
The storage branch comprises a rock debris storage box 12 which is provided with a drying device 19 and is connected with a debris discharging area at the bottom of the separation cylinder 8 through a debris discharging pipeline with a debris discharging valve 11.
The system comprises a four-phase separation design, a hydrogen sulfide removing device and the like. The system abandons the traditional vibrating screen and carries out separation treatment on the fluid returned from the wellhead under the closed condition on the ground. The solid phase separation is handled by gravity separation in the tank. The treatment method has the characteristics of large treatment capacity and sealing safety.
Example 2
As a preferable embodiment of the present invention, on the basis of the above specific example 1, the present invention further includes a pressure relief branch, wherein the pressure relief branch includes a pressure relief pipeline connected to the separation cylinder 8 and having a pressure relief valve 5, and a pressure detection unit 7 connected to the pressure relief valve 5 for detecting an internal pressure on the separation cylinder 8. The cleaning liquid pumping unit 14 and the cleaning valve 13 are controlled in a combined manner, namely, the cleaning liquid pumping unit and the cleaning valve are switched on and off at the same time to avoid backflow or damage a pump device; and the cleaning valve 13 and the drying device 19 are interlocked, namely the drying device 19 and the cleaning branch cannot work simultaneously, so that the waste of the process cost is avoided. The bottom of the rock debris storage tank 12 is also provided with a waste liquid discharge pipeline with a waste liquid pumping unit 16 and a liquid discharge valve 15.
An outlet flowmeter 9 for detecting the flow in the outlet pipeline is arranged on the outlet pipeline; the purpose is that when sampling is started, the inlet valve 2 and the outlet valve 3 are firstly opened, and then the opening degree of the main valve is slowly reduced until the outlet flowmeter 9 has a certain drilling fluid flow value, so that the rock debris collecting loop can be judged to be conducted and sampling is started.
Preferably, the main valve 1 is disposed on the main circuit of the circulation system near one end of the interface between the inlet pipeline and the main circuit of the circulation system, and the main flow meter 17 is disposed near one end of the interface between the outlet pipeline and the main circuit of the circulation system.
And a separating cylinder differential pressure monitoring meter 4 for detecting the differential pressure in the inlet pipeline and the outlet pipeline is connected between the inlet pipeline and the outlet pipeline of the separating cylinder 8. Therefore, the rock debris collection time can be judged through the detection value of the separating cylinder differential pressure monitoring meter 4, and the rock debris collection time can be finished when the differential pressure exceeds a certain value (a set threshold value) according to the use requirement.
As shown in figure 1, the drilling fluid containing hydrogen sulfide returned from the wellhead enters a four-phase separator for separation through a main pipeline a after being depressurized from a choke manifold, and the logging rock debris cannot be obtained in time due to the fact that the rock debris in the four-phase separator has the characteristic of gravity settling, and closed rock debris sample collection under the pressure state needs to be carried out on the main pipeline a. In non-sampling time, the main valve 1 is fully opened, and the other valves are fully closed.
And starting sampling, namely opening the inlet valve 2 and the outlet valve 3, and slowly closing the opening of the main regulating valve 1 until the outlet flowmeter 9 has a certain drilling fluid flow value. The drilling fluid begins to enter the separation barrel 8 through the upstream branch pipeline b, rock debris is separated in the separation barrel 8, and the drilling fluid flows out of the outlet branch pipeline c and returns to the main pipeline a. The method of separating the rock debris in the separation cylinder may be a centrifugal type or a screen type, or may not be limited to the above two methods.
The rock debris collection time can be used for judging the collection amount through the drilling speed and the opening degree of the main valve 1; the judgment can also be carried out by monitoring a separating cylinder differential pressure monitoring meter 4 on a pipeline d which is communicated with the front and the back of the separating cylinder, and the judgment can be finished when the differential pressure exceeds a certain value; the judgment can also be carried out by judging the outlet flowmeter 9 on the outlet pipeline c, and the judgment can be finished when the flow value is smaller than the flow reduction value monitored by the main flowmeter 17 on the main pipeline by more than a certain tolerance; meanwhile, the duration of single collection of the rock debris sample can be comprehensively judged by combining the methods, and the method is not limited to any setting of the collection time of the methods.
After the rock debris is collected, the main valve 1 is fully opened, the inlet valve 2 and the outlet valve 3 are closed, the collected rock debris and residual drilling fluid are stored in the separating cylinder 8, the pressure relief valve 5 on the pressure relief channel e is opened, and whether the pressure relief reaches a safety value or not is monitored through the pressure detection unit 7. Opening a sulfur removal valve 6 on the channel f, injecting a certain amount of sulfur removal agent into the separation cylinder 8, performing sulfur removal treatment on the collected rock debris, determining the injection amount of the sulfur removal agent by a feedback signal of a hydrogen sulfide monitor 18 on the separation cylinder 8, and closing the sulfur removal valve 6 after the injection is finished; the compressed gas valve 10 is opened, compressed gas is sent into the separation barrel 8 through the pipeline g, residual hydrogen sulfide in the separation barrel 8 is blown and swept, the compressed gas valve 10 is closed after blowing and sweeping are finished, the chip removal valve 11 is opened, and rock debris and drilling fluid all fall into the interior of the rock debris storage box 12 at the lower part of the separation barrel 8. And (4) opening a cleaning valve 13 and a cleaning liquid pumping unit 14, and injecting cleaning liquid into the lower part of the separation cylinder through a pipeline h for cleaning the collected rock debris sample. And simultaneously opening a liquid discharge valve 15 and a waste liquid pumping unit 16, discharging the accumulated drilling fluid and cleaning liquid through a pipeline i, closing a cleaning valve 13 and a cleaning liquid pumping unit 14 after cleaning is finished, and closing the liquid discharge valve 15 and the waste liquid pumping unit 16 after no liquid is discharged from the pipeline i. The drying device 19 inside the storage tank 12 is opened to dry the collected rock debris.
After the rock debris is treated, the storage box 12 is opened, and the rock debris sample is taken out, so that the rapid logging analysis can be carried out.
More preferably, in consideration of efficiency improvement and the like in actual use, a design of double rock debris collecting loops can be adopted as shown in fig. 2, two sets of loops are independent from each other and can realize joint control through valve control logic, and the applicability is good.
Claims (8)
1. The utility model provides a quick logging detritus collection system of airtight well drilling circulation system in sulphur stratum which characterized in that: the device comprises a rock debris collecting loop arranged on a main path of a circulating system, and a sulfur removing branch, a cleaning branch and a storage branch which are arranged on the rock debris collecting loop;
the debris collecting loop comprises a main valve (1) and a main flow meter (17) which are arranged on a main path of the circulating system, and a separating cylinder (8) which is connected to the main path of the circulating system through an inlet pipeline and an outlet pipeline, wherein the inlet pipeline of the separating cylinder (8) is provided with an inlet valve (2), the outlet pipeline is provided with an outlet valve (3), and the main valve (1) and the main flow meter (17) are arranged between the inlet pipeline and the outlet pipeline;
the sulfur removal branch comprises a sulfur removal agent input pipeline which is connected to the separation cylinder (8) and is provided with a sulfur removal valve (6); the hydrogen sulfide monitoring meter (18) is connected with the sulfur removal valve (6) in a signal control mode and used for detecting hydrogen sulfide data in the separation cylinder (8);
the cleaning branch comprises a cleaning agent input pipeline which is connected to the separation cylinder (8) and is provided with a cleaning agent pumping unit (14) and a cleaning valve (13), and a compressed gas input pipeline which is also connected to the separation cylinder (8) and is provided with a compressed gas valve (10).
2. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 1, wherein: the storage branch comprises a rock debris storage box (12) which is provided with a drying device (19) and is connected with a debris discharging area at the bottom of the separation cylinder (8) through a debris discharging pipeline provided with a debris discharging valve (11).
3. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 2, wherein: the cleaning liquid pumping unit (14) and the cleaning valve (13) are jointly controlled, and the cleaning valve (13) is interlocked with the drying device (19).
4. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 2, wherein: and a waste liquid discharge pipeline with a waste liquid pumping unit (16) and a liquid discharge valve (15) is further arranged at the bottom of the rock debris storage tank (12).
5. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 1 or 2, wherein: still include the pressure release branch road, the pressure release branch road is including connecting on cylinder (8), have the pressure release pipeline of pressure release valve (5), and with pressure release valve (5) control links to each other, is used for detecting interior pressure's pressure detection unit (7) on cylinder (8).
6. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 1 or 2, wherein: and an outlet flow meter (9) for detecting the flow in the outlet pipeline is arranged on the outlet pipeline.
7. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 1 or 2, wherein: and the main valve (1) is arranged at one end close to the interface of the inlet pipeline and the main pipeline of the circulating system, and the main flow meter (17) is arranged at one end close to the interface of the outlet pipeline and the main pipeline of the circulating system.
8. The system for rapidly collecting the logging cuttings in the closed drilling circulation system of the sulfur-containing formation as claimed in claim 1 or 2, wherein: and a separating cylinder differential pressure monitoring meter (4) for detecting the differential pressure in the inlet pipeline and the outlet pipeline is connected between the inlet pipeline and the outlet pipeline of the separating cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077506.1A CN111140189A (en) | 2019-11-06 | 2019-11-06 | Quick logging rock debris collecting system of closed drilling circulation system of sulfur-containing stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077506.1A CN111140189A (en) | 2019-11-06 | 2019-11-06 | Quick logging rock debris collecting system of closed drilling circulation system of sulfur-containing stratum |
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| Publication Number | Publication Date |
|---|---|
| CN111140189A true CN111140189A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077506.1A Pending CN111140189A (en) | 2019-11-06 | 2019-11-06 | Quick logging rock debris collecting system of closed drilling circulation system of sulfur-containing stratum |
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| Country | Link |
|---|---|
| CN (1) | CN111140189A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040065353A1 (en) * | 2001-02-01 | 2004-04-08 | Ian Tunnicliffe | Cleaning of hydrocarbon-containing materials with critical and supercritical solents |
| WO2004041400A2 (en) * | 2002-11-08 | 2004-05-21 | Varco I/P, Inc. | Method and apparatus for treating a contaminated fluid |
| CN202228070U (en) * | 2011-09-14 | 2012-05-23 | 中国石油集团川庆钻探工程有限公司 | Automatic control sampler applied under airtight condition and under pressure |
| CN203161134U (en) * | 2012-12-28 | 2013-08-28 | 中国石油集团川庆钻探工程有限公司 | Rock cutting pre-separating mechanism of drilling-liquid four-phase separator |
| WO2016183675A1 (en) * | 2015-05-15 | 2016-11-24 | Mckee Sheldon | Fluid scrubbing apparatus |
| CN107152250A (en) * | 2017-07-12 | 2017-09-12 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide sweep-out method in the drilling fluid of sulfur-bearing formation drillng operation |
| CN107165595A (en) * | 2017-07-12 | 2017-09-15 | 中国石油集团川庆钻探工程有限公司 | The closed sweep-out method of pernicious gas in drilling fluid |
| CN107178327A (en) * | 2017-07-12 | 2017-09-19 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide separator in drilling fluid |
-
2019
- 2019-11-06 CN CN201911077506.1A patent/CN111140189A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040065353A1 (en) * | 2001-02-01 | 2004-04-08 | Ian Tunnicliffe | Cleaning of hydrocarbon-containing materials with critical and supercritical solents |
| WO2004041400A2 (en) * | 2002-11-08 | 2004-05-21 | Varco I/P, Inc. | Method and apparatus for treating a contaminated fluid |
| CN202228070U (en) * | 2011-09-14 | 2012-05-23 | 中国石油集团川庆钻探工程有限公司 | Automatic control sampler applied under airtight condition and under pressure |
| CN203161134U (en) * | 2012-12-28 | 2013-08-28 | 中国石油集团川庆钻探工程有限公司 | Rock cutting pre-separating mechanism of drilling-liquid four-phase separator |
| WO2016183675A1 (en) * | 2015-05-15 | 2016-11-24 | Mckee Sheldon | Fluid scrubbing apparatus |
| CN107152250A (en) * | 2017-07-12 | 2017-09-12 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide sweep-out method in the drilling fluid of sulfur-bearing formation drillng operation |
| CN107165595A (en) * | 2017-07-12 | 2017-09-15 | 中国石油集团川庆钻探工程有限公司 | The closed sweep-out method of pernicious gas in drilling fluid |
| CN107178327A (en) * | 2017-07-12 | 2017-09-19 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide separator in drilling fluid |
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Application publication date: 20200512 |
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