CN111140227A - Rapid logging rock debris collecting method for closed drilling circulation system of sulfur-containing stratum - Google Patents
Rapid logging rock debris collecting method for closed drilling circulation system of sulfur-containing stratum Download PDFInfo
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- CN111140227A CN111140227A CN201911077495.7A CN201911077495A CN111140227A CN 111140227 A CN111140227 A CN 111140227A CN 201911077495 A CN201911077495 A CN 201911077495A CN 111140227 A CN111140227 A CN 111140227A
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- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/005—Testing the nature of borehole walls or the formation by using drilling mud or cutting data
Abstract
The invention belongs to the technical field of oil drilling closed drilling processes, and particularly relates to a rapid logging rock debris collecting method for 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 method for collecting fast logging cuttings of a closed drilling circulation system of a sulfur-containing stratum.
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 method for collecting the rock debris for the closed drilling circulation system of the sulfur-containing stratum, which can effectively solve the technical problem that the 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 the drilling operation of the sulfur-containing stratum.
A method for collecting fast logging cuttings of a closed drilling circulation system of a sulfur-containing stratum is characterized by comprising the following steps of:
step 1, opening an inlet valve on an inlet pipeline and an outlet valve on an outlet pipeline of a separation barrel on a rock debris collecting loop, and detecting whether the inlet valve and the outlet valve are completely opened;
step 2, after detecting that the inlet valve and the outlet valve are completely opened, adjusting a main valve on a main path of the circulating system to be opened to a set opening degree, then controlling the main valve to be completely opened according to a set control duration, an outlet flow meter detection value arranged on the outlet pipeline or a separating cylinder differential pressure monitoring meter detection value arranged between the inlet pipeline and the outlet pipeline, and closing the inlet valve and the outlet valve after the main valve is completely opened;
the step of controlling the main valve to be completely opened according to the detection value of the outlet flowmeter arranged on the outlet pipeline refers to the step of controlling the main valve to be completely opened when the outlet flowmeter connected to the outlet pipeline of the separating cylinder is detected and matched with the flow passing, and the flow detection value is larger than a set threshold value.
The step of controlling the main valve to be completely opened according to the detection value of the separating cylinder differential pressure monitoring meter means that when the separating cylinder differential pressure monitoring meter arranged between the inlet pipeline and the outlet pipeline detects the pressure difference generated between the inlet pipeline and the outlet pipeline and the pressure difference value is larger than a set threshold value, the main valve is controlled to be completely opened.
in the step 3, according to the pressure in the separation cylinder detected by the pressure detection unit, if the detected pressure exceeds a set pressure relief threshold, a pressure relief valve is opened to relieve the pressure in the separation cylinder, and the pressure relief valve is closed until the detected pressure is lower than the set pressure relief threshold; the opening time of the compressed air valve is a set value.
The opening and closing of the sulfur removal valve on the sulfur removal branch are controlled according to a detection value of a hydrogen sulfide monitoring meter arranged on the separation cylinder and used for detecting the content of hydrogen sulfide in the separation cylinder, when the detection value of the hydrogen sulfide monitoring meter is lower than a set hydrogen sulfide threshold value, the sulfur removal valve is controlled to be opened, otherwise, the sulfur removal valve is closed.
Step 4, after the purging of the residual hydrogen sulfide is finished, closing a compressed gas valve and a pressure relief valve, opening a chip removal valve on a chip removal pipeline, then opening a cleaning valve and a cleaning fluid pumping unit on a cleaning agent input pipeline to pump cleaning agents into the separation cylinder to clean the separated rock debris, simultaneously opening a waste fluid pumping unit and a liquid discharge valve on a waste fluid discharge pipeline at the bottom of the rock debris storage box to discharge cleaning fluid waste liquid after the rock debris is cleaned, and closing the cleaning valve and the cleaning fluid pumping unit after the cleaning is finished;
and 5, after no flow in the waste liquid discharge pipeline is detected, closing the waste liquid pumping unit and the liquid discharge valve, starting a drying device in the rock debris storage box to dry the rock debris sample, and closing the drying device after drying is completed to open the box and take out the rock debris sample.
Compared with the prior art, the technical scheme of the invention adopts a four-phase separation design and the steps of hydrogen sulfide removal, installation and the like. The method abandons the traditional vibrating screen, the fluid returned from the wellhead is separated on the ground under a closed condition, the solid phase separation is carried out in a tank-in gravity separation mode, the treatment method has the characteristics of large treatment capacity and closed safety, the method can effectively obtain rock debris samples required by logging in a closed circulation system, and the harm of hydrogen sulfide to personnel can be avoided.
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 corresponding system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the logical relationship of a preferred 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 invention, a control method of a fast logging rock debris collection system of a closed drilling circulation system of a sulfur-bearing stratum is disclosed, and firstly, the system comprises a rock debris collection loop arranged on a main path of the circulation system, and a sulfur removal branch, a cleaning branch and a storage branch which are arranged on the rock debris collection loop, as shown in fig. 1. 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. Still include the pressure release branch road, the pressure release branch road is including connecting on the 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 the 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.
Correspondingly, as shown in fig. 2, the control method of the present embodiment includes the following steps:
step 1, opening an inlet valve 2 on an inlet pipeline and an outlet valve 3 on an outlet pipeline of a separation cylinder 8 on a rock debris collecting loop, and detecting whether the inlet valve 2 and the outlet valve 3 are completely opened;
step 2, after detecting that the inlet valve 2 and the outlet valve 3 are completely opened, adjusting a main valve 1 on a main path of a circulating system to be opened to a set opening degree, then controlling the main valve 1 to be completely opened according to a set control duration, a detection value of an outlet flow meter 9 arranged on the outlet pipeline or a detection value of a separating cylinder differential pressure monitoring meter 4 arranged between the inlet pipeline and the outlet pipeline, and closing the inlet valve 2 and the outlet valve 3 after the main valve 1 is completely opened;
step 4, after the purging of the residual hydrogen sulfide is finished, closing the compressed gas valve 10 and the pressure relief valve 5, opening a chip removal valve 11 on a chip removal pipeline, then opening a cleaning valve 13 and a cleaning liquid pumping unit 14 on a cleaning agent input pipeline to pump cleaning agents into the separation cylinder 8 to clean the separated rock debris, simultaneously opening a waste liquid pumping unit 16 and a liquid discharge valve 15 on a waste liquid discharge pipeline at the bottom of the rock debris storage tank 12 to discharge the cleaning liquid waste liquid after the cleaning of the rock debris is finished, and closing the cleaning valve 13 and the cleaning liquid pumping unit 14 after the cleaning is finished;
and 5, after detecting that no flow exists in the waste liquid discharge pipeline, closing the waste liquid pumping unit 16 and the liquid discharge valve 15, starting the drying device 19 in the rock debris storage tank 12 to dry the rock debris sample, and closing the drying device 19 after drying is completed to open the tank and take out the rock debris sample.
The technical scheme of the invention adopts a four-phase separation design technical scheme and hydrogen sulfide removal and loading steps. The method abandons the traditional vibrating screen, the fluid returned from the wellhead is separated on the ground under a closed condition, the solid phase separation is carried out in a tank-in gravity separation mode, the treatment method has the characteristics of large treatment capacity and closed safety, the method can effectively obtain rock debris samples required by logging in a closed circulation system, and the harm of hydrogen sulfide to personnel can be avoided.
Example 2
As a preferred embodiment of the present invention, on the basis of the above-mentioned specific example 1, further,
in the step 2, the main valve 1 is controlled to be completely opened according to the detection value of the outlet flowmeter 9 arranged on the outlet pipeline, that is, the outlet flowmeter 9 connected to the outlet pipeline of the separation cylinder 8 detects that the flow passes through, and the flow detection value is greater than the set threshold value, the main valve 1 is controlled to be completely opened. The step of controlling the main valve 1 to be completely opened according to the detection value of the separating cylinder differential pressure monitoring meter 4 means that when the separating cylinder differential pressure monitoring meter 4 arranged between the inlet pipeline and the outlet pipeline detects the pressure difference generated between the inlet pipeline and the outlet pipeline, and the pressure difference value is greater than a set threshold value, the main valve 1 is controlled to be completely opened.
In the step 3, according to the pressure in the separation cylinder 8 detected by the pressure detection unit 7, if the detected pressure exceeds a set pressure relief threshold, the pressure relief valve 5 is opened to relieve the pressure in the separation cylinder 8, and the pressure relief valve 5 is closed until the detected pressure is lower than the set pressure relief threshold; the opening time of the compressed air valve 10 is a set value.
Further, the opening and closing of the sulfur removal valve on the sulfur removal branch are controlled according to a detection value of a hydrogen sulfide monitor 18 arranged on the separation cylinder 8 and used for detecting the content of hydrogen sulfide in the separation cylinder 8, when the detection value of the hydrogen sulfide monitor 18 is lower than a set hydrogen sulfide threshold value, the sulfur removal valve is controlled to be opened, otherwise, the sulfur removal valve is closed.
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.
Claims (6)
1. A method for collecting fast logging cuttings of a closed drilling circulation system of a sulfur-containing stratum is characterized by comprising the following steps of:
step 1, opening an inlet valve (2) on an inlet pipeline and an outlet valve (3) on an outlet pipeline of a separation cylinder (8) on a rock debris collecting loop, and detecting whether the inlet valve (2) and the outlet valve (3) are completely opened;
step 2, after detecting that the inlet valve (2) and the outlet valve (3) are completely opened, adjusting a main valve (1) on a main path of a circulating system to be opened to a set opening degree, then controlling the main valve (1) to be completely opened according to a set control duration, a detection value of an outlet flow meter (9) arranged on the outlet pipeline or a detection value of a separating cylinder differential pressure monitoring meter (4) arranged between the inlet pipeline and the outlet pipeline, and closing the inlet valve (2) and the outlet valve (3) after the main valve (1) is completely opened;
step 3, after the inlet valve (2) and the outlet valve (3) are completely closed, controlling the opening and closing of a pressure relief valve (5) of a pressure relief branch on the separating cylinder (8) through the pressure in the separating cylinder (8) detected by the pressure detection unit (7); simultaneously, a sulfur removal valve (6) on the sulfur removal branch is opened in sequence to inject a sulfur removal agent into the separation cylinder (8); after the injection of the sulfur removal agent is finished, closing the sulfur removal valve (6), then opening a compressed gas valve (10) of a compressed gas input pipeline, and sending compressed air for purging residual hydrogen sulfide in the separation cylinder (8);
step 4, after the purging of the residual hydrogen sulfide is finished, closing a compressed gas valve (10) and a pressure relief valve (5), opening a chip removal valve (11) on a chip removal pipeline, then opening a cleaning valve (13) and a cleaning liquid pumping unit (14) on a cleaning agent input pipeline to pump the cleaning agent into a separation cylinder (8) to clean the separated rock debris, simultaneously opening a waste liquid pumping unit (16) and a liquid drainage valve (15) on a waste liquid discharge pipeline at the bottom of a rock debris storage tank (12) to discharge the cleaning liquid waste liquid after the rock debris is cleaned, and closing the cleaning valve (13) and the cleaning liquid pumping unit (14) after the cleaning is finished;
and 5, after no flow in the waste liquid discharge pipeline is detected, closing the waste liquid pumping unit (16) and the liquid discharge valve (15), starting a drying device (19) in the rock debris storage box (12) to dry the rock debris sample, and closing the drying device (19) after drying is finished to open the box and take out the rock debris sample.
2. The method for collecting the fast logging cuttings of the closed drilling circulation system of the sulfur-bearing stratum as claimed in claim 1, wherein the method comprises the following steps: in the step 2, the main valve (1) is controlled to be completely opened according to the detection value of an outlet flowmeter (9) arranged on the outlet pipeline, namely the outlet flowmeter (9) connected to the outlet pipeline of the separating cylinder (8) detects the passing of flow, and the flow detection value is greater than a set threshold value, so that the main valve (1) is controlled to be completely opened.
3. The method for collecting the fast logging cuttings of the closed drilling circulation system of the sulfur-bearing stratum as claimed in claim 1 or 2, wherein the method comprises the following steps: in the step 2, the main valve (1) is controlled to be completely opened according to the detection value of the separating cylinder differential pressure monitoring meter (4), that is, when the separating cylinder differential pressure monitoring meter (4) arranged between the inlet pipeline and the outlet pipeline detects the pressure difference generated between the inlet pipeline and the outlet pipeline, and the pressure difference value is greater than a set threshold value, the main valve (1) is controlled to be completely opened.
4. The method for collecting the fast logging cuttings of the closed drilling circulation system of the sulfur-bearing stratum as claimed in claim 1, wherein the method comprises the following steps: in the step 3 process, according to the pressure in the separation cylinder (8) detected by the pressure detection unit (7), if the detected pressure exceeds a set pressure relief threshold, the pressure relief valve (5) is opened to relieve the pressure in the separation cylinder (8), and the pressure relief valve (5) is closed until the detected pressure is lower than the set pressure relief threshold.
5. The method for collecting the fast logging cuttings of the closed drilling circulation system of the sulfur-bearing stratum as claimed in claim 1, wherein the method comprises the following steps: the opening time of the compressed air valve (10) and the working time of the drying device (19) are set values.
6. The method for collecting the fast logging cuttings of the closed drilling circulation system of the sulfur-bearing stratum as claimed in claim 1, wherein the method comprises the following steps: in the step 3, the opening and closing of the sulfur removal valve on the sulfur removal branch are controlled according to the detection value of a hydrogen sulfide monitoring meter (18) which is arranged on the separation cylinder (8) and used for detecting the content of hydrogen sulfide in the separation cylinder (8), when the detection value of the hydrogen sulfide monitoring meter (18) is lower than a set hydrogen sulfide threshold value, the sulfur removal valve is controlled to be opened, otherwise, the sulfur removal valve is closed.
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070199872A1 (en) * | 2006-02-24 | 2007-08-30 | M-I Llc | Hydrogen sulfide treatment system |
| CN101463713A (en) * | 2009-01-13 | 2009-06-24 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Drilling fluid circulating and separating method for sulfur-containing stratum under-balance drilling operation |
| CN101525992A (en) * | 2009-01-22 | 2009-09-09 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Closed cuttings storage device for sulfur-bearing formation underbalanced drilling |
| US20100064893A1 (en) * | 2006-06-16 | 2010-03-18 | Cameron International Corporation | Separator and Method of Separation |
| CN201460857U (en) * | 2009-01-22 | 2010-05-12 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Cutting closed storage device for underbanlanced drilling of sulfur-containing formation |
| 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 |
| CA2837913A1 (en) * | 2012-12-18 | 2014-06-18 | Mark Joseph Mathis | Drill cuttings treatment system |
| CN103993845A (en) * | 2014-05-22 | 2014-08-20 | 中国石油集团川庆钻探工程有限公司 | Rock debris separating method for gas drilling |
| US20150275601A1 (en) * | 2012-07-27 | 2015-10-01 | MBJ Water Partners | Separation of Drilling Fluid |
| CN106545305A (en) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of drilling-fluid circulation system and its control method |
| 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 |
| CN107191147A (en) * | 2017-07-12 | 2017-09-22 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide in drilling fluid removes system |
| CN207017962U (en) * | 2017-07-12 | 2018-02-16 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide separator in drilling fluid |
| CN207377519U (en) * | 2017-07-12 | 2018-05-18 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide in drilling fluid removes system |
| CN208220692U (en) * | 2018-05-18 | 2018-12-11 | 天津合众丰源石油技术有限公司 | A kind of portable well logging landwaste cleaning device |
-
2019
- 2019-11-06 CN CN201911077495.7A patent/CN111140227A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070199872A1 (en) * | 2006-02-24 | 2007-08-30 | M-I Llc | Hydrogen sulfide treatment system |
| US20100064893A1 (en) * | 2006-06-16 | 2010-03-18 | Cameron International Corporation | Separator and Method of Separation |
| CN101463713A (en) * | 2009-01-13 | 2009-06-24 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Drilling fluid circulating and separating method for sulfur-containing stratum under-balance drilling operation |
| CN101525992A (en) * | 2009-01-22 | 2009-09-09 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Closed cuttings storage device for sulfur-bearing formation underbalanced drilling |
| CN201460857U (en) * | 2009-01-22 | 2010-05-12 | 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 | Cutting closed storage device for underbanlanced drilling of sulfur-containing formation |
| 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 |
| US20150275601A1 (en) * | 2012-07-27 | 2015-10-01 | MBJ Water Partners | Separation of Drilling Fluid |
| CA2837913A1 (en) * | 2012-12-18 | 2014-06-18 | Mark Joseph Mathis | Drill cuttings treatment system |
| CN103993845A (en) * | 2014-05-22 | 2014-08-20 | 中国石油集团川庆钻探工程有限公司 | Rock debris separating method for gas drilling |
| CN106545305A (en) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of drilling-fluid circulation system and its control method |
| 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 |
| CN107191147A (en) * | 2017-07-12 | 2017-09-22 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide in drilling fluid removes system |
| CN207017962U (en) * | 2017-07-12 | 2018-02-16 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide separator in drilling fluid |
| CN207377519U (en) * | 2017-07-12 | 2018-05-18 | 中国石油集团川庆钻探工程有限公司 | Hydrogen sulfide in drilling fluid removes system |
| CN208220692U (en) * | 2018-05-18 | 2018-12-11 | 天津合众丰源石油技术有限公司 | A kind of portable well logging landwaste cleaning device |
Non-Patent Citations (8)
| Title |
|---|
| DENG HU ET AL.: "Analysis on well-bore stability during gas drilling", 《NATURAL GAS INDUSTRY》 * |
| 刘绘新等: "塔中高含硫碳酸盐岩储层密闭循环安全钻井技术", 《天然气工业》 * |
| 张保贵等: "钻井液密闭分离系统流程方案及装备配套", 《天然气工业》 * |
| 柏轲等: "密闭系统岩屑取样装置现场试验研究", 《钻采工艺》 * |
| 查磊等: "塔中碳酸盐岩储层密闭循环钻井技术研究", 《中国优秀硕士学位论文全文数据库基础科学辑》 * |
| 樊世忠等: "《欠平衡完井基础技术》", 30 June 2007, 徐州：中国矿业大学出版社 * |
| 王培山等: "欠平衡钻井综合录井方法浅析", 《内蒙古石油化工》 * |
| 陈科旭等: "钻井液四相分离器在龙浅009-H2井的应用与认识", 《钻采工艺》 * |
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Application publication date: 20200512 |