CN113738354A - High-efficient sampling system of automatically controlled anchoring setting formula - Google Patents
High-efficient sampling system of automatically controlled anchoring setting formula Download PDFInfo
- Publication number
- CN113738354A CN113738354A CN202111167540.5A CN202111167540A CN113738354A CN 113738354 A CN113738354 A CN 113738354A CN 202111167540 A CN202111167540 A CN 202111167540A CN 113738354 A CN113738354 A CN 113738354A
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- electric control
- controlled
- sampler
- tool string
- anchoring
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- 238000005070 sampling Methods 0.000 title claims abstract description 33
- 238000004873 anchoring Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing 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
- 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
- E21B49/082—Wire-line fluid samplers
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- 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
- 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a sampling system, in particular to an electric control anchoring setting type efficient sampling system. The device comprises a tool string which is formed by assembling two electric control anchoring and setting tools, a micro liquid discharge pump, an electric control sampler, an electric control switch valve and a magnetic positioning depth correcting mechanism on the ground; and a single core cable; and a logging truck comprising a surface control system. The single-core cable plays a role in supplying power to system components, realizing signal transmission between the ground and the underground and drawing a system. The invention uses the cable to pull the tool string to move underground, and can realize the target of sampling multi-layer sections by single-time underground through the electric control sampler with a plurality of storage units, thereby reducing the throwing and fishing times and improving the sampling efficiency.
Description
Technical Field
The invention relates to a sampling system, in particular to an electric control anchoring setting type efficient sampling system.
Background
The change of the well conditions of the oil well is more and more complex along with the longer and longer underground exploitation time, and the method has more and more important significance on the analysis of the underground working condition; in addition, the application of new technologies also requires the collection of downhole property changes for evaluation, and thus the need for downhole fluid sampling is increasing. The simplest method is to perform surface sampling, and in order to further improve the efficiency and reduce the cost, the surface sampling is gradually improved into underground sampling. The underground sampling is that only one layer of sampling can be carried out by a single lower pipe column, the repeated salvage and putting operation efficiency is extremely low when the underground sampling is applied to an oil well containing multiple layers of sections, and the underground sampling also has the serious problem of sample pollution, which limits the further development of the underground sampling.
Disclosure of Invention
The invention provides an electric control anchoring setting type efficient sampling system, which aims to sample multiple layers of sections in sequence underground and reduce the putting times.
The above purpose is realized by the following technical scheme:
an electrically controlled anchored setting-type high efficiency sampling system comprising: a tool string electrically connected to the cable; the tool string comprises an electric control sampler and two electric control anchoring and setting tools which are arranged on the upper side and the lower side of the electric control sampler and used for sealing and isolating mixed liquid;
further, the electronic control sampler comprises a plurality of control valves and independent storage units, and each independent storage unit is controlled by two control valves.
Further, the tool string further comprises a micro drain pump connected with the electrically controlled anchoring setting tool and the electrically controlled sampler on the upper side.
Further, the miniature liquid discharge pump adopts a miniature large-torque motor to drive the screw pump.
Further wherein the tool string further comprises: and the electrically-controlled switch valve is connected between the electrically-controlled sampler and the electrically-controlled anchoring and setting tool at the lower side.
Further, a pressure sensor and a temperature sensor are arranged inside and outside the electric control switch valve and used for testing the pressure and temperature characteristics of the stratum.
Further, the electronic control switch valve can measure static pressure of the stratum when closed, and dynamic change of the stratum pressure can be measured after the electronic control switch valve is opened.
Further wherein the tool string further comprises: and the magnetic positioning depth correcting mechanism is connected between the electric control switch valve and the electric control anchoring setting tool positioned on the lower side.
Further, the cable is a single core cable.
Further, the system further comprises: and the ground control system is used for receiving the information of the tool string and sending a control signal to the tool string through a single-core cable.
Further, the surface control system adopts a logging truck containing the surface control system.
The electric control anchoring and setting type efficient sampling system has the beneficial effects that:
the cable traction tool string moves underground, and the multi-layer section sampling target can be realized by using the electric control sampler with a plurality of storage units when the electric control sampler goes down the well once, so that the throwing and fishing times are reduced, and the sampling efficiency is improved; the use of the electric control switch valve can also acquire formation parameters while sampling, and the well fluid characteristics and the formation characteristics are comprehensively analyzed, so that the underground working condition can be judged more accurately and reliably; the micro liquid discharge pump is adopted to discharge the mixed liquid, so that the problem that the sample is easy to be polluted is solved, and the reliability of the sample is ensured.
Drawings
Fig. 1 shows schematically the overall structure of the invention in a cross-sectional view.
Detailed Description
The present embodiment is described below with reference to fig. 1:
an electric control anchoring and setting type efficient sampling system comprises a tool string which is formed by assembling two electric control anchoring and setting tools 3, a micro liquid discharge pump 4, an electric control sampler 5, an electric control switch valve 6 and a magnetic positioning depth correcting mechanism 7 on the ground; and a single core cable 2; and a logging truck 1 comprising a surface control system, wherein the two electrically controlled anchoring setting tools 3 are respectively positioned at two ends of the tool string,
the logging truck 1 is used for realizing throwing and salvaging of the single-core cable 2 and is responsible for action control and signal processing of all parts of the system.
The single-core cable 2 plays a role in supplying power to system components, realizing signal transmission between the ground and the underground and drawing a system.
When the tool string moves to a specified position, a signal sent by a logging truck drives the motor to rotate to drive the screw rod, so that the slips are opened, the radial size of the rubber cylinder is increased, and anchoring and setting are realized; the logging truck sends out a signal for driving the motor to rotate reversely, so that the anchor can be released and the unlocking can be realized. The two electric control anchoring and setting tools 3 positioned at the upper side and the lower side can ensure that the testing and sampling system is firmly fixed at a target interval, and separate the target interval from other intervals in the well, so that the sample can be prevented from being polluted by liquid in other intervals.
The miniature liquid discharge pump 4 is connected with the anchoring and setting tool positioned on the upper side, the miniature liquid discharge pump 4 adopts a miniature large-torque motor to drive the screw pump, mixed liquid near the tool string, namely between the two electric control anchoring and setting tools 3, can be efficiently discharged, liquid in a target layer section is extracted to the periphery of the electric control sampler 5, original mixed liquid is replaced, and the accuracy of a sample is ensured.
The electric control sampler 5 is connected with the micro liquid discharge pump 4, and mainly comprises two parts, namely a control valve and an independent storage unit, wherein each storage unit is controlled by two control valves, the control valves can be opened or closed by receiving signals of a logging truck, different control valves are opened in different intervals to realize independent storage of samples in different intervals, so that the samples collected in different intervals flow into different independent storage units, the samples in the storage units cannot interfere with each other, and then one-time well descending can be realized to sample a plurality of different intervals.
Wherein, automatically controlled ooff valve 6 is installed under automatically controlled sampler 5, all is provided with pressure, temperature sensor inside and outside automatically controlled ooff valve 6, and automatically controlled ooff valve 6 effect is the characteristic of measuring the stratum, can measure the characteristic of stratum in the sample, carries out preliminary judgement to the stratum behavior to the formulation of sampling technology plays the additional action. After the anchoring and the setting are finished, the electric control switch valve is kept closed, characteristics such as stratum pressure and temperature can be measured, the working condition of the stratum is preliminarily judged, the output power of the miniature liquid discharge pump is determined, then the electric control switch valve is opened, stratum liquid flows into the interior of the testing and sampling system, the dynamic characteristic of pressure change can be measured, and the dynamic characteristic is used for adjusting working parameters such as the output power of the miniature liquid discharge pump.
The magnetic positioning depth correction mechanism 7 can feed the position of the tool string back to the logging truck 1 in real time, and the relative position of the tool string and the target interval can be judged by combining the previous logging data, so that the depth control of the testing and sampling system is realized.
The complete operation method comprises the following steps: the single-core cable 2 is mechanically connected with the electric control anchoring and setting tool 3 located on the upper side, and the electric control anchoring and setting tool 3, the micro liquid discharge pump 4, the electric control sampler 5, the electric control switch valve 6 and the magnetic positioning depth correcting mechanism 7 are electrically connected.
The tool string is put in the underground under the traction of the single-core cable 2, the magnetic positioning depth correcting mechanism 7 feeds back the depth information of the tool string to the logging truck 1 in real time through the single-core cable 2, when the tool string reaches a target interval, the putting in of the single-core cable 2 is stopped, the logging truck 1 sends out a control signal, and the electric control anchoring and setting tool 3 located on the upper side and the electric control anchoring and setting tool 3 located on the lower side are driven to be anchored and set.
After the anchoring and the setting are completed, the electric control switch valve 6 transmits information such as static pressure and temperature of the stratum to the logging truck 1, the stratum condition is preliminarily judged, then the logging truck 1 sends a control signal to open the electric control switch valve 6, meanwhile, the micro liquid discharge pump 4 starts to work, liquid flows into the testing and sampling system and is discharged out of the range of the electric control anchoring and setting tool, and the power of the micro liquid discharge pump 4 is properly adjusted according to the dynamic pressure of the stratum.
After the micro liquid discharge pump 4 discharges a certain amount of liquid, the logging truck 1 controls the electric control sampler 5 to open a group of control valves for controlling the electric control sampler 5 to comprise, the liquid flows into the storage unit corresponding to the control valves, after sampling is finished, the logging truck 1 closes the electric control sampler 5, and simultaneously closes the micro liquid discharge pump 4 and the electric control switch valve 6, and the upper electric control anchoring and setting tool 3 and the lower electric control anchoring and setting tool 8 start to be released and unpacked.
When the anchor releasing and the deblocking are completed, the tool string is dragged by the single-core cable 2 to move to the next target interval, the testing and sampling process is repeated, in the sampling process of different intervals, the logging truck 1 controls the electronic control sampler 5 to open different control valves, so that liquids in different intervals can enter different storage units, and samples do not interfere with each other.
After all tests and samples are completed, the single-core cable 2 is lifted, the tool string is salvaged, the storage units of the electronic control sampler 5 are sequentially opened on the ground, and the liquid sample is transferred to other containers for storage and used in subsequent analysis and testing.
Claims (10)
1. An electrically controlled anchored setting-type high efficiency sampling system comprising:
a tool string electrically connected to the cable;
the tool string comprises an electric control sampler (5) and two electric control anchoring and setting tools (3) which are arranged on the upper side and the lower side of the electric control sampler (5) and used for sealing and isolating mixed liquid;
the electronic control sampler (5) comprises a plurality of control valves and independent storage units, and each independent storage unit is controlled by two control valves.
2. The system according to claim 1, wherein the tool string further comprises a micro drain pump (4) connected to the electrically controlled anchor setting tool (3) and the electrically controlled sampler (5) on the upper side.
3. The system according to claim 2, wherein the micro drain pump (4) employs a micro high torque motor to drive a screw pump.
4. The system of claim 3, wherein the toolstring further comprises: and the electrically-controlled switch valve (6) is connected between the electrically-controlled sampler (5) and the electrically-controlled anchoring and setting tool (3) positioned at the lower side.
5. The system according to claim 4, wherein the electrically controlled on-off valve (6) is provided with a pressure sensor and a temperature sensor inside and outside for testing the pressure and temperature characteristics of the formation.
6. A system according to claim 5, wherein the electronically controlled on-off valve (6) is capable of measuring static pressure of the formation when closed and the electronically controlled on-off valve (6) is capable of measuring dynamic changes in the formation pressure when open.
7. The system of claim 6, wherein the toolstring further comprises: and the magnetic positioning depth correcting mechanism (7) is connected between the electric control switch valve (6) and the electric control anchoring setting tool (3) positioned on the lower side.
8. The system according to any one of claims 1 to 7, wherein the cable is a mono cable (2).
9. The system of claim 8, further comprising: and the ground control system receives the information of the tool string and sends a control signal to the tool string through a single-core cable (2).
10. The system of claim 9, wherein the surface control system employs a logging truck (1) containing the surface control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111167540.5A CN113738354A (en) | 2021-10-07 | 2021-10-07 | High-efficient sampling system of automatically controlled anchoring setting formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111167540.5A CN113738354A (en) | 2021-10-07 | 2021-10-07 | High-efficient sampling system of automatically controlled anchoring setting formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113738354A true CN113738354A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111167540.5A Pending CN113738354A (en) | 2021-10-07 | 2021-10-07 | High-efficient sampling system of automatically controlled anchoring setting formula |
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| CN (1) | CN113738354A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221983A1 (en) * | 2001-06-07 | 2004-11-11 | Yong Ma | Apparatus for sampling and logging on all producing zones of a well |
| CN1804370A (en) * | 2005-12-09 | 2006-07-19 | 辽河石油勘探局 | Cable controlled separate layer production and test technology for oil well |
| CN200982194Y (en) * | 2006-12-05 | 2007-11-28 | 北京华能通达能源科技有限公司 | Cable and pumping type stratum testing sampler |
| CN204126643U (en) * | 2014-10-09 | 2015-01-28 | 中国石油集团渤海钻探工程有限公司 | Formation sampling device |
| CN205558899U (en) * | 2016-03-09 | 2016-09-07 | 北京捷威思特科技有限公司 | Sleeve well cable pump -exhausting type formation sampler |
| CN111305826A (en) * | 2020-04-21 | 2020-06-19 | 哈尔滨艾拓普科技有限公司 | Electric control anchoring and setting type layered pressure measuring system for oil-water well and implementation method thereof |
| CN111852449A (en) * | 2020-09-09 | 2020-10-30 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN112324425A (en) * | 2020-10-22 | 2021-02-05 | 东营杰开智能科技有限公司 | Coiled tubing layering testing device and method |
| CN112761620A (en) * | 2021-02-05 | 2021-05-07 | 哈尔滨艾拓普科技有限公司 | Cable dropping and fishing type oil-water well layered pressure testing system and implementation method |
-
2021
- 2021-10-07 CN CN202111167540.5A patent/CN113738354A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221983A1 (en) * | 2001-06-07 | 2004-11-11 | Yong Ma | Apparatus for sampling and logging on all producing zones of a well |
| CN1804370A (en) * | 2005-12-09 | 2006-07-19 | 辽河石油勘探局 | Cable controlled separate layer production and test technology for oil well |
| CN200982194Y (en) * | 2006-12-05 | 2007-11-28 | 北京华能通达能源科技有限公司 | Cable and pumping type stratum testing sampler |
| CN204126643U (en) * | 2014-10-09 | 2015-01-28 | 中国石油集团渤海钻探工程有限公司 | Formation sampling device |
| CN205558899U (en) * | 2016-03-09 | 2016-09-07 | 北京捷威思特科技有限公司 | Sleeve well cable pump -exhausting type formation sampler |
| CN111305826A (en) * | 2020-04-21 | 2020-06-19 | 哈尔滨艾拓普科技有限公司 | Electric control anchoring and setting type layered pressure measuring system for oil-water well and implementation method thereof |
| CN111852449A (en) * | 2020-09-09 | 2020-10-30 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN112324425A (en) * | 2020-10-22 | 2021-02-05 | 东营杰开智能科技有限公司 | Coiled tubing layering testing device and method |
| CN112761620A (en) * | 2021-02-05 | 2021-05-07 | 哈尔滨艾拓普科技有限公司 | Cable dropping and fishing type oil-water well layered pressure testing system and implementation method |
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Application publication date: 20211203 |
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