CN202467827U - Underground stratification direct reading tester - Google Patents
Underground stratification direct reading tester Download PDFInfo
- Publication number
- CN202467827U CN202467827U CN2012201202755U CN201220120275U CN202467827U CN 202467827 U CN202467827 U CN 202467827U CN 2012201202755 U CN2012201202755 U CN 2012201202755U CN 201220120275 U CN201220120275 U CN 201220120275U CN 202467827 U CN202467827 U CN 202467827U
- Authority
- CN
- China
- Prior art keywords
- direct
- electromagnetic valve
- cable
- acting electromagnetic
- oil pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses an underground stratification direct reading tester. The tester comprises an oil pipe bypass, a direct-acting electromagnetic valve, a pipe body and a joint, wherein the oil pipe bypass is connected to the outer side of an oil pipe and provided with a liquid through cavity, the oil pipe is provided with a liquid through hole, and the liquid through hole is communicated with the liquid through cavity; the direct-acting electromagnetic valve is connected with the oil pipe bypass and provided with a liquid inlet, and a wellhead control device is connected with the direct-acting electromagnetic valve through a control cable; the bottom of the pipe body is connected with the direct-acting electromagnetic valve, a data acquisition device is arranged in the pipe body, and the data acquisition device transmits the measured data to a wellhead measurement device through a measurement cable; and the joint is connected to the top of the pipe body and provided with a wire through cavity. Through the underground stratification direct reading tester, underground oil layers can be exploited layer by layer according to the actual production requirement, and the pressure and the temperature of each underground oil layer can be tested.
Description
Technical field
The utility model is relevant for a kind of laminated distributor under well direct reading test appearance, is particularly to a kind of laminated distributor under well direct reading test appearance that is applied in oil exploration, the oil-gas field development field producing well is carried out zonal testing, separate zone production.
Background technology
In geological prospecting research and development, the especially geological prospecting of oil and casing-head gas and research and produce the exploitation aspect is along with the prolongation of oil field development time; Well water constantly rises, and interlayer contradiction is on the rise, and each stressor layer returns to form and differs greatly; Cause the contribution rate of each layer different, oil well output constantly descends, in such cases; Be to keep steady output of oilwell, the oil well delamination dynamic test with look for, the work of water-blocking layer just seems particularly important; In addition, there is multilayer to close when adopting in the oil well, because differences such as the pressure between the oil reservoir, reservoir physics character, oil properties; Often interfere with each other, make the part oil reservoir can not bring into play due effect, therefore; For reducing or eliminating interlayer interference, answer each oil reservoir of separate zone production.
Before oil production by layer, need utilize hierarchical tester that the crude oil of each layer of down-hole is carried out the test collection of pressure, temperature, flow and creation data such as moisture, so that the interval of confirming minute to adopt according to the data of test and to the adjusting measure of each interval.At present; The a plurality of hierarchical testers that on the pumping pipe string of field produces well, connect, it opens or closes mainly is that memory-type electromagnetic valve through in it is controlled, because of the control of memory-type electromagnetic valve is accomplished by ready-made program by single-chip microcomputer; This hierarchical tester is Once you begin worked; Just can not realize external control, can not open or close the passage of pumping pipe string and a certain producing zone, in test process, lack mobility according to the actual conditions needs; And this hierarchical tester also needs the moving tubing string of operation again after test, tests loaded down with trivial details and cost is high.
Also has a kind of hierarchical tester in the prior art; It mainly is in the oil jacket annular space, to be lowered to the switch appearance, on this switch appearance mechanical pins is installed, and mechanical pins has lock pin and unblanks two kinds of pins; The position of corresponding different producing zones is equipped with mechanical pins on the pumping pipe string of down-hole; According to laminated distributor under well test needs, utilize the lock pin on the switch appearance or the pin control pumping pipe string of unblanking on mechanical pins unlatching or close, thereby carry out the separate zone production test.Though this kind hierarchical tester can select to open or close the passage of tested oil reservoir and pumping pipe string according to actual conditions,, adopt the tubular column structure of this kind switch appearance complicated, difficulty of construction is bigger, and its poor reliability is to having relatively high expectations of well.
In addition, though existing multiple hierarchical tester can the oil extraction of the different oil reservoirs in down-hole be gone out and carry out oil flow and moisture test at well head,, it does not have the function of each formation pressure and temperature under the testing well.Therefore, be necessary to provide a kind of novel laminated distributor under well tester, overcome above-mentioned defective.
The utility model content
The purpose of the utility model provides a kind of laminated distributor under well direct reading test appearance, can carry out separate zone production to each oil reservoir of down-hole according to needs of production, and pressure, the temperature of each oil reservoir under can testing well.
The above-mentioned purpose of the utility model can adopt following technical proposal to realize:
The utility model provides a kind of laminated distributor under well direct reading test appearance, and said laminated distributor under well direct reading test appearance comprises:
The oil pipe bypass, it is connected the outside of oil pipe, and said oil pipe bypass had sap cavity, offered liquid pass hole on the said oil pipe, and said liquid pass hole is connected with the said sap cavity of crossing;
Direct-acting electromagnetic valve, it links to each other with said oil pipe bypass, and said direct-acting electromagnetic valve has inlet opening, and control head links to each other with said direct-acting electromagnetic valve through control cables;
Body, its bottom links to each other with said direct-acting electromagnetic valve, is provided with data acquisition unit in the said body, and said data acquisition unit is sent to the well head measurement mechanism with its data measured through measuring cable;
Joint, it is connected the top of said body, and said joint had the line chamber.
In preferred embodiment, between said oil pipe bypass and said direct-acting electromagnetic valve, be connected with turbine flow transducer.
In preferred embodiment; Said body has container cavity; The lower end of said container cavity offers first passage and second channel respectively; Offer the inlet opening that is connected with said first passage on the sidewall of said body, said direct-acting electromagnetic valve has the pressure tap that is connected with the inlet opening of said direct-acting electromagnetic valve, and said second channel is communicated with said pressure tap relatively.
In preferred embodiment; Said data acquisition unit comprises first pressure sensor, second pressure sensor and single-chip microcomputer; Said first pressure sensor is positioned at said first passage; Said second pressure sensor is positioned at said second channel; Said single-chip microcomputer is positioned at said container cavity; Said first pressure sensor is measured first pressure data in the inlet opening of said body and is sent this first pressure data to said single-chip microcomputer and stores, said second pressure sensor measure said direct-acting electromagnetic valve the pressure tap place second pressure data and send this second pressure data to said single-chip microcomputer and store, said single-chip microcomputer links to each other with said measurement cable.
In preferred embodiment, the upper end of said container cavity offers cable-through hole, and said cable-through hole is connected with the said line chamber of crossing.
In preferred embodiment, the said mistake in the line chamber is provided with cable plug, and said measurement cable links to each other with said single-chip microcomputer through said cable plug.
In preferred embodiment, in having, said cable plug connects end and a plurality of external connection end, connect end in said to link to each other with said single-chip microcomputer, said external connection end links to each other with said measurement cable.
In preferred embodiment, offer a plurality of cable aperture on the said joint, said measurement cable is located in the said cable aperture.
The characteristics and the advantage of the laminated distributor under well direct reading test appearance of the utility model are: operating personnel can be according to needs of production; The unlatching of the inlet opening through control head control direct-acting electromagnetic valve or close; To open or close a certain oil reservoir in down-hole, realize the purpose that each oil reservoir of down-hole is carried out separate zone production; In addition, be arranged on pressure, temperature that the interior data acquisition unit of body can detect a certain oil reservoir in down-hole in real time, and the data of its detection are passed through to measure cable transmission to well head measurement mechanism, to realize the purpose of a certain formation pressure, temperature under the testing well.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional drawing of the laminated distributor under well direct reading test appearance of the utility model.
Fig. 2 is placed on the position view in the pit shaft for the laminated distributor under well direct reading test appearance of the utility model.
Fig. 3 is the operating principle block diagram of the laminated distributor under well direct reading test appearance of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Like Fig. 1, shown in 2, the utility model provides a kind of laminated distributor under well direct reading test appearance 10, and it comprises oil pipe bypass 1, direct-acting electromagnetic valve 2, body 3 and joint 4.Wherein: oil pipe bypass 1 is connected the outside of oil pipe 5, and said oil pipe bypass 1 had sap cavity 11, offers liquid pass hole 51 on the said oil pipe 5, and said liquid pass hole 51 is connected with the said sap cavity 11 of crossing; Direct-acting electromagnetic valve 2 links to each other with said oil pipe bypass 1, and said direct-acting electromagnetic valve 2 has inlet opening 21, and control head 20 links to each other with said direct-acting electromagnetic valve 2 through control cables 201; Body 3 bottoms link to each other with said direct-acting electromagnetic valve 2, are provided with data acquisition unit 31 in the said body 3, and said data acquisition unit 31 is sent to well head measurement mechanism 30 with its data measured through measuring cable 301; Joint 4 is connected the top of said body 3, and said joint 4 had line chamber 41.
Specifically be, oil pipe bypass 1 is fixedly connected on the lateral wall of oil pipe 5, and in the utility model, oil pipe bypass 1 is one-body molded with oil pipe 5, crosses the top that sap cavity 11 is formed at oil pipe bypass 1, its with oil pipe 5 sidewalls on the liquid pass hole 51 offered be connected.
Direct-acting electromagnetic valve 2 is connected the upper end of oil pipe bypass 1; It has fluid hole 22; This fluid hole 22 is communicated with inlet opening 21; Direct-acting electromagnetic valve 2 is communicated with the sap cavity 11 of crossing of its fluid hole 22 and oil pipe bypass 1 relatively, thereby the fluid that the inlet opening 21 from direct-acting electromagnetic valve 2 is flowed into can flow into crossing in the sap cavity 11 of oil pipe bypass 1 from fluid hole 22, and then in the liquid pass hole 51 inflow oil pipes 5 of oil pipe 5.This direct-acting electromagnetic valve 2 can be through its inlet openings 21 of control head 20 control unlatching or close, thereby open or close the laminated distributor under well direct reading test appearance of the utility model, so that a certain oil reservoir in down-hole is exploited.
Body 3 is the cylinder bodily form substantially; It is connected the upper end of direct-acting electromagnetic valve 2; The data acquisition unit 31 that is provided with in the body 3 is used to gather pressure, the temperature data of corresponding oil reservoir under the measuring well, and the data of its collection are sent to well head measurement mechanism 30 through measuring cable 301.
The laminated distributor under well direct reading test appearance 10 of the utility model; Operating personnel can be according to needs of production; The unlatching of the inlet opening 21 through control head 20 control direct-acting electromagnetic valves 2 or close to open or close a certain oil reservoir in down-hole, realizes the purpose that each oil reservoir of down-hole is carried out separate zone production; In addition; Be arranged on pressure, temperature that body 3 interior data acquisition units 31 can detect a certain oil reservoir in down-hole in real time; And the data of its detection are transferred to well head measurement mechanism 30 through measuring cable 301, to realize the purpose of a certain formation pressure, temperature under the testing well.
An embodiment according to the utility model is connected with turbine flow transducer 6 between said oil pipe bypass 1 and said direct-acting electromagnetic valve 2.Turbine flow transducer 6 is used for the flow of sensing from the fluid of inlet opening 21 inflows of direct-acting electromagnetic valve 2, also promptly, and the oil flow that a certain oil reservoir in down-hole is exploited.
An embodiment according to the utility model; Said body 3 has container cavity 32; The lower end of said container cavity 32 offers first passage 33 and second channel 34 respectively; Offer the inlet opening 331 that is connected with said first passage 33 on the sidewall of said body 3, said direct-acting electromagnetic valve 2 has the pressure tap 23 that is connected with the inlet opening 21 of said direct-acting electromagnetic valve 2, and said second channel 34 is communicated with said pressure tap 23 relatively.
Specifically be, first passage 33 is relative with the down-hole oil reservoir through inlet opening 331, and second channel 34 runs through the bottom of body 3, and the pressure tap 23 of the direct-acting electromagnetic valve 2 that is connected with body 3 belows is communicated with relatively.The pressure tap 23 of this direct-acting electromagnetic valve 2, inlet opening 21, fluid hole 22 are interconnected.
Further; Said data acquisition unit 31 comprises first pressure sensor 311, second pressure sensor 312 and single-chip microcomputer 313; Said first pressure sensor 311 is positioned at said first passage 33; Said second pressure sensor 312 is positioned at said second channel 34; Said single-chip microcomputer 313 is positioned at said container cavity 32; First pressure data in the inlet opening 331 of the said body 3 of said first pressure sensor, 311 measurements also sends this first pressure data to said single-chip microcomputer 313 and stores, and second pressure data that said second pressure sensor 312 is measured pressure tap 23 places of said direct-acting electromagnetic valve 2 also sends this second pressure data to said single-chip microcomputer 313 and stores, and said single-chip microcomputer 313 links to each other with said measurement cable 301.
Please cooperate referring to Fig. 3, first pressure sensor 311 is electrically connected with single-chip microcomputer 313, and it is used for pressure, the temperature of sensing down-hole oil reservoir, and its sensed data is transferred to single-chip microcomputer 313 stores; Second pressure sensor 312 is used for pressure, the temperature at sensing direct-acting electromagnetic valve 2 pressure taps 23 places; And its sensed data is transferred to single-chip microcomputer 313 stores, single-chip microcomputer 313 is given well head measurement mechanism 30 through measuring cable 301 with the transfer of data of its storage.
When the inlet opening 21 of direct-acting electromagnetic valve 2 is in the state of unlatching; The fluid of down-hole oil reservoir can flow in the oil pipe 5 from inlet opening 21; Because of inlet opening 21 is connected with pressure tap 23, second pressure sensor, 312 sensings is pressure, the temperature at inlet opening 21 places at this moment, also is pressure, the temperature of down-hole oil reservoir; Under this state, first pressure sensor, 311 sensed data are identical with second pressure sensor, 312 sensed data; When the inlet opening 21 of direct-acting electromagnetic valve 2 is in closing state; Because of fluid hole 22 is connected with pressure tap 23; Second pressure sensor, 312 sensings is pressure, the temperature at fluid hole 22 places at this moment; Also be pressure, the temperature in the oil pipe 5, under this state, first pressure sensor, 311 data measured are different with second pressure sensor, 312 data measured.
The laminated distributor under well direct reading test appearance 10 of the utility model; But the not only pressure of oil reservoir, temperature data under the measuring well; Also can be through first pressure sensor 311 of well head measurement mechanism 30 receptions and the numerical value of second pressure sensor, 312 measurements; Judge whether the inlet opening 21 of direct-acting electromagnetic valve 2 is opened or closed, when the numerical value of measuring when first pressure sensor 311 was identical with the numerical value of second pressure sensor, 312 measurements, direct-acting electromagnetic valve 2 was in opening; When inequality, direct-acting electromagnetic valve 2 is in closed condition to the numerical value of measuring when first pressure sensor 311 with the numerical value of second pressure sensor, 312 measurements.Certainly; The laminated distributor under well direct reading test appearance 10 of the utility model; Also can whether export pulse signal and judge whether the inlet opening 21 of direct-acting electromagnetic valve 2 is opened or closed, when turbine flow transducer 6 output pulse signals, also promptly have fluid to flow through turbine flow transducer 6 through turbine flow transducer 6; This moment, direct-acting electromagnetic valve 2 was in opening; When turbine flow transducer 6 does not have output pulse signal, promptly not have fluid yet and flow through turbine flow transducer 6, this moment, direct-acting electromagnetic valve 2 was in closed condition.
According to an embodiment of the utility model, the upper end of said container cavity 32 offers cable-through hole 35, and said cable-through hole 35 is connected with the said line chamber 41 of crossing.Further, the said mistake in the line chamber 41 is provided with cable plug 7, and said measurement cable 301 links to each other with said single-chip microcomputer 313 through said cable plug 7.Offer a plurality of cable aperture 42 on the said joint 4, said measurement cable 301 is located in the said cable aperture 42.
Specifically be, connect end 71 and a plurality of external connection end 72 in said cable plug 7 has, connect end 71 in said and link to each other with said single-chip microcomputer 313, measurement cable 301 penetrated in the line chamber 41 and with the external connection end 72 of said cable plug 7 from the cable aperture 42 of joint 4 and linked to each other.In the utility model; Cable plug 7 is provided with two external connection end 72; Joint 4 is provided with two cable aperture 42; The measurement cable 301 that links to each other with well head measurement mechanism 30 penetrates on one of them external connection end 72 that is connected cable plug 7 from one of them cable aperture 42 of joint 4, and another external connection end 72 of cable plug 7 for example can be connected with the laminated distributor under well direct reading test appearance 10 that is arranged on other oil reservoir of down-hole through cable.
The above is merely several embodiment of the utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment according to the disclosed content of application documents and not break away from the spirit and the scope of the utility model.
Claims (8)
1. a laminated distributor under well direct reading test appearance is characterized in that, said laminated distributor under well direct reading test appearance comprises:
The oil pipe bypass, it is connected the outside of oil pipe, and said oil pipe bypass had sap cavity, offered liquid pass hole on the said oil pipe, and said liquid pass hole is connected with the said sap cavity of crossing;
Direct-acting electromagnetic valve, it links to each other with said oil pipe bypass, and said direct-acting electromagnetic valve has inlet opening, and control head links to each other with said direct-acting electromagnetic valve through control cables;
Body, its bottom links to each other with said direct-acting electromagnetic valve, is provided with data acquisition unit in the said body, and said data acquisition unit is sent to the well head measurement mechanism with its data measured through measuring cable;
Joint, it is connected the top of said body, and said joint had the line chamber.
2. laminated distributor under well direct reading test appearance as claimed in claim 1 is characterized in that, between said oil pipe bypass and said direct-acting electromagnetic valve, is connected with turbine flow transducer.
3. laminated distributor under well direct reading test appearance as claimed in claim 1; It is characterized in that; Said body has container cavity, and the lower end of said container cavity offers first passage and second channel respectively, offers the inlet opening that is connected with said first passage on the sidewall of said body; Said direct-acting electromagnetic valve has the pressure tap that is connected with the inlet opening of said direct-acting electromagnetic valve, and said second channel is communicated with said pressure tap relatively.
4. laminated distributor under well direct reading test appearance as claimed in claim 3; It is characterized in that; Said data acquisition unit comprises first pressure sensor, second pressure sensor and single-chip microcomputer; Said first pressure sensor is positioned at said first passage; Said second pressure sensor is positioned at said second channel, and said single-chip microcomputer is positioned at said container cavity, and said first pressure sensor is measured first pressure data in the inlet opening of said body and sent this first pressure data to said single-chip microcomputer and stores; Said second pressure sensor measure said direct-acting electromagnetic valve the pressure tap place second pressure data and send this second pressure data to said single-chip microcomputer and store, said single-chip microcomputer links to each other with said measurement cable.
5. laminated distributor under well direct reading test appearance as claimed in claim 4 is characterized in that the upper end of said container cavity offers cable-through hole, and said cable-through hole is connected with the said line chamber of crossing.
6. laminated distributor under well direct reading test appearance as claimed in claim 5 is characterized in that, the said mistake in the line chamber is provided with cable plug, and said measurement cable links to each other with said single-chip microcomputer through said cable plug.
7. laminated distributor under well direct reading test appearance as claimed in claim 6 is characterized in that, connects end and a plurality of external connection end in said cable plug has, and connects end in said to link to each other with said single-chip microcomputer, and said external connection end links to each other with said measurement cable.
8. laminated distributor under well direct reading test appearance as claimed in claim 6 is characterized in that, offers a plurality of cable aperture on the said joint, and said measurement cable is located in the said cable aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201202755U CN202467827U (en) | 2012-03-27 | 2012-03-27 | Underground stratification direct reading tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201202755U CN202467827U (en) | 2012-03-27 | 2012-03-27 | Underground stratification direct reading tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467827U true CN202467827U (en) | 2012-10-03 |
Family
ID=46915992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201202755U Expired - Fee Related CN202467827U (en) | 2012-03-27 | 2012-03-27 | Underground stratification direct reading tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467827U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN105756663A (en) * | 2016-04-01 | 2016-07-13 | 中国石油化工股份有限公司 | Down-hole parameter monitoring device for fracturing |
| CN105756666A (en) * | 2016-05-04 | 2016-07-13 | 中国地质大学（武汉） | Downhole pressure detecting device |
| CN112282682A (en) * | 2020-10-26 | 2021-01-29 | 大庆油田有限责任公司 | Underground electronic liquid inlet device for oil-gas well |
-
2012
- 2012-03-27 CN CN2012201202755U patent/CN202467827U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN105756663A (en) * | 2016-04-01 | 2016-07-13 | 中国石油化工股份有限公司 | Down-hole parameter monitoring device for fracturing |
| CN105756663B (en) * | 2016-04-01 | 2018-10-26 | 中国石油化工股份有限公司 | A kind of pressure break downhole parameters monitoring device |
| CN105756666A (en) * | 2016-05-04 | 2016-07-13 | 中国地质大学（武汉） | Downhole pressure detecting device |
| CN112282682A (en) * | 2020-10-26 | 2021-01-29 | 大庆油田有限责任公司 | Underground electronic liquid inlet device for oil-gas well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109001438A (en) | A kind of joint seal gas shutoff experimental simulation device and test method | |
| CN201372792Y (en) | Instrument for measuring temperature and pressure while drilling in drilling well | |
| BR102017017526B1 (en) | AUTONOMOUS UNIT LAUNCHING SYSTEM FOR WORKING IN OIL AND GAS WELLS, AND METHOD OF INSTALLING AND UNINSTALLING A STANDALONE UNIT ON THE LAUNCHING SYSTEM | |
| CN202467827U (en) | Underground stratification direct reading tester | |
| NO341016B1 (en) | Measurement tool while drilling with interconnected assembly | |
| BRPI0721355A2 (en) | WELL HOLE TESTING METHOD AND METHOD USING DOUBLE FLOW LINES | |
| CN105464649B (en) | Stratum pressure measuring nipple and stratum pressure simulation measuring device | |
| CN104594889B (en) | A kind of Accurate Determining oil well remaining oil preserves the devices and methods therefor of position | |
| CN102435539A (en) | High temperature seepage test device and method | |
| CN205689189U (en) | A kind of intelligent watering device | |
| CN205297503U (en) | Split injection well intelligence measure and regulate and monitoring process units | |
| US9347299B2 (en) | Packer tool including multiple ports | |
| US6655457B1 (en) | Method for use in sampling and/or measuring in reservoir fluid | |
| CN108005635A (en) | A kind of deep water smart well huge discharge production fluid flow measuring device | |
| CN2451735Y (en) | Capillary down-hole pressure monitoring transmitter | |
| CN104234709A (en) | Device for obtaining stratum real fluid samples of cased well | |
| CN203175540U (en) | Non-concentrating electromagnetic flow type down-hole measuring and adjusting instrument | |
| CN204552741U (en) | Device for testing liquid level of oil well | |
| CN203594370U (en) | Instrument built-in type testing tubing string | |
| CN101397905B (en) | Stratified static pressure combination tool for water injection well | |
| CN105569623A (en) | Combined wellhead testing device for injection well and combined wellhead testing method | |
| CN205445603U (en) | Novel sample of zonal testing in pit device | |
| CN104373116A (en) | Online continuous monitoring sampling protecting device for external oil-water well casing pressure | |
| CN108533248A (en) | Casing annulus pressure simulation device | |
| CN104912549B (en) | Coal bed gas region parameter method of testing |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20210327 |