CN203685169U - Offshore pressure measurement system with capillary tube - Google Patents
Offshore pressure measurement system with capillary tube Download PDFInfo
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- CN203685169U CN203685169U CN201420015982.7U CN201420015982U CN203685169U CN 203685169 U CN203685169 U CN 203685169U CN 201420015982 U CN201420015982 U CN 201420015982U CN 203685169 U CN203685169 U CN 203685169U
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- pressure
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Abstract
The utility model discloses an offshore pressure measurement system with a capillary tube. The offshore pressure measurement system with the capillary tube comprises a pressure applying device and a pressure transmitting device. The pressure applying device is located on the ground outside a well, the pressure transmitting device is arranged on an oil pipe on the oil layer segment in the well, a well opening penetrator is arranged at a well opening position, the pressure transmitting device is connected with the well opening penetrator through a capillary steel tube, and the pressure applying device passes through an automatic control device and a pressure transmitter in sequence and is connected on the well opening penetrator. The pressure transmitting device is a pressure transmitting barrel. The pressure transmitter is further connected with a data collecting processing device. The data collecting processing device comprises a computer and a data processing unit which are connected with each other, and the data processing unit is connected with the pressure transmitting device. The pressure transmitting device comprises a nitrogen cylinder, a booster pump and a safe purge system which are connected in sequence, wherein the safe purge system is connected with the automatic control device. By means of the offshore pressure measurement system with the capillary tube, the requirement of conducting testing without stopping production in the oil production process can be met, working performance is stable, and service life is long.
Description
Technical field
The utility model relates to the device of down-hole pressure monitoring, especially marine pressure test system with capillary.
Background technology
The pressure measurement of the main employing of oil well test at present electronic pressure gauge, it is cheap, volume is little, facilitate execute-in-place, but due to electronic pressure gauge pressure measurement stability deficiency, the scope of application is also limited, and for the offshore field that need to be lowered to safety valve, packer, electronic pressure gauge cannot be lowered to by steel wire operation.
Summary of the invention
The purpose of this utility model is to provide marine pressure test system with capillary, can meet the requirement that does not stop production and test in oil recovery process, reliable working performance, long working life.
In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, marine pressure test system with capillary, comprise device for exerting, pressure transfering appts, described device for exerting is positioned at the outer ground of well, and pressure transfering appts is arranged on the oil pipe of OIH interval, and at well head, place is provided with wellhead traversing device, between described pressure transfering appts and wellhead traversing device, be connected with capillary tubing, described device for exerting is successively by being connected on wellhead traversing device after automaton and pressure transmitter.
Described pressure transfering appts is pressure-transmission tube, is provided with storm valve, cable-passing packer, down-hole pump, pressure-transmission tube on oil pipe from top to bottom, and the capillary tubing of described connection pressure-transmission tube is upward through described cable-passing packer.
On described pressure transmitter, go back connection data acquisition processing device.
Described data acquisition processing device comprises interconnective computer and data processing unit, data processing unit Bonding pressure transmitter.
Also connection control unit of described data processing unit, control module is connected with electrical control cubicles, and described control module is also connected with pressure transmitter by automaton.
Described device for exerting comprises the nitrogen cylinder, booster pump, the safe purging system that connect successively, and described safe purging system is connected with automaton.
On described booster pump, connect air compressor, booster pump is also connected with control module.
Compared to prior art, the utlity model has following beneficial effect:
On the gas column of the pressure-acting at testing pressure down hole point place in pressure-transmission tube, by gas transfer pressure to well head, recorded after the nitrogen pressure in the capillary tubing of one end, ground by pressure transmitter, pass the signal to data acquisition control system, data acquisition control system shows pressure data and stores, the well head observed pressure data of recording are processed after by computer playback, complete the calculating to down-hole pressure by well head pressure according to depth of bottom hole measurement and temperature in wellbore.
1. measuring accuracy is high, and wide accommodation can meet the requirement that does not stop production and test in oil recovery process;
2. down-hole part-structure is simple, without electric elements, without O-ring seal, not fragile, reliable working performance;
3. be not subject to the impact of down-hole adverse circumstances, long working life, and can carry out at any time verification or maintenance on ground.
Brief description of the drawings
Fig. 1 is the structure chart of marine pressure test system with capillary of the present utility model.
In figure: 1, computer; 2, data processing unit; 3, electrical control cubicles; 4, control module; 5, nitrogen cylinder; 6, booster pump; 7, air compressor; 8, safe purging system; 9, automaton; 10, pressure transmitter; 11, wellhead traversing device; 12, capillary tubing; 13, storm valve; 14, cable-passing packer; 15, down-hole pump; 16, pressure-transmission tube.
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
As shown in Figure 1, marine pressure test system with capillary, comprise device for exerting, pressure transfering appts, described device for exerting is positioned at the outer ground of well, pressure transfering appts is arranged on the oil pipe of OIH interval, be provided with wellhead traversing device 11 at well head place, between described pressure transfering appts and wellhead traversing device, be connected with capillary tubing 12, described device for exerting is successively by being connected on wellhead traversing device after automaton 9 and pressure transmitter 10.
Described pressure transfering appts is pressure-transmission tube 16, is provided with storm valve 13, cable-passing packer 14, down-hole pump 15, pressure-transmission tube 16 on oil pipe from top to bottom, and the capillary tubing 12 of described connection pressure-transmission tube 16 is upward through described cable-passing packer 14.Described device for exerting comprises the nitrogen cylinder 5, booster pump 6, the safe purging system 8 that connect successively, and described safe purging system is connected with automaton.On described booster pump, connect air compressor 7, booster pump is also connected with control module 4, and control module is connected with electrical control cubicles 3.
On described pressure transmitter, go back connection data acquisition processing device.Described data acquisition processing device comprises interconnective computer 1 and data processing unit 2, data processing unit Bonding pressure transmitter 10.Described data processing unit 2 is gone back connection control unit 4, and control module 4 is connected with electrical control cubicles, and described control module is also connected with pressure transmitter 10 by automaton 9.
Ground installation connects nitrogen cylinder, air compressor, booster pump, safe purging system, pressure transmitter, computer, electrical control cubicles, data acquisition control system in order successively, wherein, data acquisition control system is connected on 220V/50Hz power supply, air compressor is connected on the three phase mains of 380V/50Hz, and special communication bundle of lines computer and data acquisition control system device are coupled together; Underground equipment is by sequentially connecting successively from top to bottom pressure-transmission tube, capillary tubing, oil pipe, down-hole pump, cable-passing packer, storm valve; The capillary tubing that passes well head is connected with the corresponding interface of data acquisition control system by wellhead traversing device.
On the gas column of the pressure-acting at testing pressure down hole point place in pressure-transmission tube, by gas transfer pressure to well head, recorded after the nitrogen pressure in the capillary tubing of one end, ground by pressure transmitter, pass the signal to data acquisition control system, data acquisition control system shows pressure data and stores, the well head observed pressure data of recording, by computer playback post processing, complete the calculating to down-hole pressure by well head pressure according to depth of bottom hole measurement and temperature in wellbore.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (7)
1. marine pressure test system with capillary, it is characterized in that, comprise device for exerting, pressure transfering appts, described device for exerting is positioned at the outer ground of well, pressure transfering appts is arranged on the oil pipe of OIH interval, at well head, place is provided with wellhead traversing device, between described pressure transfering appts and wellhead traversing device, is connected with capillary tubing, and described device for exerting is successively by being connected on wellhead traversing device after automaton and pressure transmitter.
2. marine pressure test system with capillary according to claim 1, it is characterized in that, described pressure transfering appts is pressure-transmission tube, on oil pipe, be provided with storm valve, cable-passing packer, down-hole pump, pressure-transmission tube from top to bottom, the capillary tubing of described connection pressure-transmission tube is upward through described cable-passing packer.
3. marine pressure test system with capillary according to claim 1, is characterized in that, goes back connection data acquisition processing device on described pressure transmitter.
4. marine pressure test system with capillary according to claim 3, is characterized in that, described data acquisition processing device comprises interconnective computer and data processing unit, data processing unit Bonding pressure transmitter.
5. marine pressure test system with capillary according to claim 4, is characterized in that, also connection control unit of described data processing unit, and control module is connected with electrical control cubicles, and described control module is also connected with pressure transmitter by automaton.
6. marine pressure test system with capillary according to claim 1, is characterized in that, described device for exerting comprises the nitrogen cylinder, booster pump, the safe purging system that connect successively, and described safe purging system is connected with automaton.
7. marine pressure test system with capillary according to claim 6, is characterized in that, on described booster pump, connects air compressor, and booster pump is also connected with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015982.7U CN203685169U (en) | 2014-01-11 | 2014-01-11 | Offshore pressure measurement system with capillary tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015982.7U CN203685169U (en) | 2014-01-11 | 2014-01-11 | Offshore pressure measurement system with capillary tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685169U true CN203685169U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420015982.7U Expired - Fee Related CN203685169U (en) | 2014-01-11 | 2014-01-11 | Offshore pressure measurement system with capillary tube |
Country Status (1)
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| CN (1) | CN203685169U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937391A (en) * | 2016-06-14 | 2016-09-14 | 中国石油天然气股份有限公司 | Automatic monitoring device for rodless pump producing well working fluid level |
| CN106522888A (en) * | 2016-10-12 | 2017-03-22 | 中国科学院力学研究所 | Water and gas double-base driving discharge and mining system |
| CN107893654A (en) * | 2017-11-17 | 2018-04-10 | 新乡市夏烽电器有限公司 | Capillary pressure measuring equipment |
| CN112554870A (en) * | 2020-12-04 | 2021-03-26 | 中国石油天然气股份有限公司 | Capillary steel pipe pressure measurement interval pumping control device and method |
-
2014
- 2014-01-11 CN CN201420015982.7U patent/CN203685169U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937391A (en) * | 2016-06-14 | 2016-09-14 | 中国石油天然气股份有限公司 | Automatic monitoring device for rodless pump producing well working fluid level |
| CN106522888A (en) * | 2016-10-12 | 2017-03-22 | 中国科学院力学研究所 | Water and gas double-base driving discharge and mining system |
| CN106522888B (en) * | 2016-10-12 | 2018-09-18 | 中国科学院力学研究所 | A kind of biradical driving mining system of aqueous vapor |
| CN107893654A (en) * | 2017-11-17 | 2018-04-10 | 新乡市夏烽电器有限公司 | Capillary pressure measuring equipment |
| CN112554870A (en) * | 2020-12-04 | 2021-03-26 | 中国石油天然气股份有限公司 | Capillary steel pipe pressure measurement interval pumping control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160111 |