CN102425404A - Method for realizing layered pressure detecting and layered productivity testing in oil well - Google Patents
Method for realizing layered pressure detecting and layered productivity testing in oil well Download PDFInfo
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- CN102425404A CN102425404A CN2011102843060A CN201110284306A CN102425404A CN 102425404 A CN102425404 A CN 102425404A CN 2011102843060 A CN2011102843060 A CN 2011102843060A CN 201110284306 A CN201110284306 A CN 201110284306A CN 102425404 A CN102425404 A CN 102425404A
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Abstract
At present, layered pressure detecting and layered productivity testing are performed in an oil well, the construction is performed once to obtain only one interval of test data, multiple intervals of test data of a full well can be obtained only by work division based combined cooperation among an operation team, an oil test team and a test team, however, the problems of long construction period, more construction personnel, large word load, high cost and the like are caused due to repeated tubular pile descending and ascending. The invention provides a method for realizing layered pressure detecting and layered productivity testing in an oil well by descending the tubular pile once. In the method, a string of multifunctional hand-free tubular pile constituted by connecting intelligent pressure controlled switch gears, a packer, a hand-free joint, an oil pipe and the like is descended, and a layer position is changed based on a pressure code signal, which is sent from the ground to a target layer, for turning on or off an intelligent controller, so that the layered pressure detecting and the layered productivity testing can be realized by descending the tubular pile once.
Description
Technical field:
The invention belongs to the oil development technical field.
Background technology:
In oil well, carry out delaminating pressure testing, layering productivity test at present; Construction operation once can only obtain the test data of an interval, expect the test data of a plurality of intervals of full well, just needs operation team, formation testing team, test team to divide union to do; Playing lower tubular column repeatedly causes the construction operation cycle long; The constructor is many, and workload is big, problems such as cost height.
Summary of the invention:
The purpose of this invention is to provide a kind of following one-trip string and realize the method for oil well delamination pressure measurement, layering productivity test.
The method that realizes above-mentioned purpose is:
The interval quantity of implementing delaminating pressure testing and layering productivity test according to the oil well needs is lowered to a string multi-functional tubing string of giving up (seeing accompanying drawing 1 for details) that is connected and composed by intelligent votage control switch device, packer, back-off sub, oil pipe etc. in the construction well;
Intelligent votage control switch device on the tubing string is connected in series with packer at interval, and after fixing in the tubing string lower going-into-well, the installation site of each intelligent votage control switch device is corresponding with the corresponding target interval, after the packer set each payzone is separated;
Intelligence votage control switch device is made up of battery assembly, circuit, pressure sensor, motor reducer, derailing switch and software systems.Its objective is in order to let intelligent votage control switch device possess following function:
(1) a layer item, head of liquid, impressed pressure and time that opens or closes of intelligent votage control switch device is set can be set before going into the well;
(2) receive the pressure code signal of identification from ground;
(3) instruction of place of execution surface pressure sign indicating number makes the on off state of intelligent votage control switch device be in the degree (seeing accompanying drawing 2 for details) that opens or closes or change unlatching by ground pressure coded command content;
The multi-functional tubing string of giving up that intelligence votage control switch device constitutes be lowered into oil well relevant position seat envelope, grappling, give up after, following oil well pump, sucker rod, installation production tree.
The pressure height of control ground pressure output imports oil casing annular space (seeing accompanying drawing 4 for details) with time decomposition pressure code signal (seeing accompanying drawing 5 for details) into through sleeve valve.
Pressure gauge is through the pressure measurement of well head G.I.H, with the mode of ground metering production fluid amount, moisture, oil production, is familiar with the production capacity state of each payzone.
Description of drawings:
Fig. 1: the multi-functional tubing string sketch map that constitutes by intelligent votage control switch device
1, intelligent votage control switch device is connected in series with packer, constitutes multi-functional tubing string.
2, corresponding first interval of No. 1 intelligent controller (be input to before going into the well in the derailing switch software, layer item is 1), second interval of No. 2 correspondences, 3,4, No. 5, by that analogy.
3, packer.
Fig. 2: intelligent votage control switch device structure
1, battery pack.
2, pressure sensor systems.
The software and hardware system of 3, parameter setting, storage, reception, identification, execution.
4, motor reducer system.
5, derailing switch assembly.
Fig. 3: constitute the full well construction of new producing well jointly by multi-functional tubing string and well head production tree, hole and annular space remove pressure gauge, and realization one-stop operation one-trip string is accomplished the full well sketch map of multiple construction operation
1, the production tree flange surface has the eccentric testing hole, and oil pipe is in a side of sleeve pipe.
2, remove the pressure gauge pressure measurement through decentralized wellhead and casing tube annular space.
Fig. 4: ground high pressure pump truck sends pressure coded signal path sketch map through sleeve gate, oil casing annular space to the down-hole
1, the water content of W1, W2, three intervals of W3____ ground chemical examination
2, the flow of Q1, Q2, three intervals of Q3____ ground metering
3, the pressure of three intervals of P1, P2, P3____ actual measurement
4, delaminating pressure testing, productivity test sketch map
The specific embodiment:
1, delaminating pressure testing
The interval quantity of implementing delaminating pressure testing according to construction oil well needs is lowered to the multi-functional tubing string of giving up (seeing accompanying drawing 1 for details) that is connected and composed by intelligent votage control switch device, packer, back-off sub, oil pipe etc. in the construction well;
Intelligent votage control switch device on the tubing string is connected in series with packer at interval, and after fixing in the tubing string lower going-into-well, the installation site of each intelligent votage control switch device is corresponding with the corresponding target interval, after the packer set each payzone is separated;
Send the pressure coded signal that opens or closes intelligent controller by the requirement of geology working design book to target zone, make intelligent votage control switch device corresponding stratum output or non-output, pressure gauge is through the pressure measurement of decentralized wellhead G.I.H; The ground metered flow is also chemically examined moisture; Oil pumper continues oil pumping, and when treating output and pressure stability, pressure gauge is crossed oil sets annular space and is parked in the oil well pump bottom tubing string upper area of giving up through production tree eccentric testing hole; Close that oil pumper stops production, the pressure gauge record be that the stream of this interval is pressed sharp pressure build-up curve; Need not move tubing string in the time of need be after this interval pressure measurement purpose is accomplished, send the pressure coded signal that opens or closes intelligent controller, make intelligent votage control switch device corresponding stratum output or non-output to target zone to another interval delaminating pressure testing; Pressure gauge is through the pressure measurement of decentralized wellhead G.I.H; The ground metered flow is also chemically examined moisturely, and oil pumper continues oil pumping, when treating output and pressure stability; Pressure gauge is crossed oil sets annular space and is parked in the oil well pump bottom tubing string upper area of giving up through production tree eccentric testing hole; What close oil pumper stopping production, pressure gauge record is the stream pressure and the pressure build-up curve of another interval, and same method repeats, and can accomplish the pressure test of complete each interval of well.
2, layering productivity test
On the basis of the multi-functional tubing string of giving up of implementing delaminating pressure testing; The corresponding intelligent votage control switch device of productivity test interval institute is sent the pressure coded signal to be controlled at aperture and to wait to produce under 13 millimeters of 2 millimeters of the Φ, 4 millimeters of Φ, Φ when stablizing; Measure the force value under these three states respectively; And obtain data on flows on ground under the corresponding time at these three states; Pressure under three states and the analysis of data on flows input interpretation software are obtained the production capacity situation, and same method repeats, and can accomplish the productivity test of complete each interval of well.
Claims (3)
1. the method for oil well delamination pressure measurement, layering productivity test is characterized in that the interval quantity of implementing delaminating pressure testing and layering productivity test according to the oil well needs is lowered to a string multi-functional tubing string of giving up that is connected and composed by intelligent votage control switch device, packer, back-off sub, oil pipe etc. in the construction well; Intelligent votage control switch device on the tubing string is connected in series with packer at interval; After fixing in the tubing string lower going-into-well; The installation site of each intelligent votage control switch device is corresponding with the corresponding target interval, after the packer set each payzone is separated; Intelligence votage control switch device is made up of battery assembly, circuit, pressure sensor, motor reducer, derailing switch and software systems.Its objective is in order to let intelligent votage control switch device possess following function: (1) can be provided with a layer item, head of liquid, impressed pressure and the time that opens or closes of intelligent votage control switch device is set before going into the well; (2) receive the pressure code signal of identification from ground; (3) instruction of place of execution surface pressure sign indicating number makes the on off state of intelligent votage control switch device be in the degree that opens or closes or change unlatching by ground pressure coded command content; The multi-functional tubing string of giving up that intelligence votage control switch device constitutes be lowered into oil well relevant position seat envelope, grappling, give up after; Following oil well pump, sucker rod, installation production tree; The pressure height of control ground pressure output imports oil casing annular space with time decomposition pressure code signal into through sleeve valve; Pressure gauge carries out delaminating pressure testing through the well head G.I.H, and with the mode of ground metering production fluid amount, moisture, oil production, the production capacity state of being familiar with each payzone carries out the layering productivity test.
2. the method for a kind of oil well water detection water blockoff according to claim 1; It is characterized in that the delaminating pressure testing that is adopted is to send the pressure coded signal that opens or closes intelligent controller to target zone by the requirement of geology working design book; Make intelligent votage control switch device corresponding stratum output or non-output, pressure gauge is through the pressure measurement of decentralized wellhead G.I.H, and the ground metered flow is also chemically examined moisture; Oil pumper continues oil pumping; When treating output and pressure stability, pressure gauge is crossed oil sets annular space and is parked in the oil well pump bottom tubing string upper area of giving up through production tree eccentric testing hole, close that oil pumper stops production, the pressure gauge record be that the stream of this interval is pressed and pressure build-up curve; Same method repeats, and can accomplish the pressure test of complete each interval of well.
3. the method for a kind of oil well water detection water blockoff according to claim 1; It is characterized in that the layering productivity test of being adopted is on the basis of the multi-functional tubing string of giving up of implementing delaminating pressure testing; The corresponding intelligent votage control switch device of productivity test interval institute is sent the pressure coded signal to be controlled at aperture and to wait to produce under 13 millimeters of 2 millimeters of the Φ, 4 millimeters of Φ, Φ when stablizing; Measure the force value under these three states respectively, and obtain data on flows on ground under the corresponding time, pressure under three states and the analysis of data on flows input interpretation software are obtained the production capacity situation at these three states; Same method repeats, and can accomplish the productivity test of complete each interval of well.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102843060A CN102425404A (en) | 2011-09-23 | 2011-09-23 | Method for realizing layered pressure detecting and layered productivity testing in oil well |
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| CN2011102843060A CN102425404A (en) | 2011-09-23 | 2011-09-23 | Method for realizing layered pressure detecting and layered productivity testing in oil well |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953714A (en) * | 2012-10-26 | 2013-03-06 | 中国石油化工股份有限公司 | Underground intelligent layered pressure controlled oil extraction method |
| CN103382834A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Separated-layer pressure measurement technology by adopting intelligent switches |
| CN103382835A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Water exploration and plugging technology by adopting intelligent switches |
| CN103806901A (en) * | 2012-11-08 | 2014-05-21 | 中国石油大学(北京) | Oil well downhole rapid test system and test method |
| CN104989326A (en) * | 2015-06-24 | 2015-10-21 | 北京千永科技有限公司 | Regulating separate layer production string and separate layer oil production method |
| CN105064983A (en) * | 2015-06-04 | 2015-11-18 | 中国石油化工股份有限公司 | Underground wireless pressure measurement system, pressure measurement electric switchgear thereof and data collection transceiver |
| CN105804708A (en) * | 2014-12-29 | 2016-07-27 | 中国石油天然气股份有限公司 | Oil well shaft layering control device and control method thereof |
| CN105863551A (en) * | 2016-05-16 | 2016-08-17 | 西安精实信石油科技开发有限责任公司 | Logging double packer capable of packing whole layering well section |
| CN106121598A (en) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | Oil well delamination production fluid measure and control test device |
| CN108729905A (en) * | 2018-04-20 | 2018-11-02 | 中国石油天然气股份有限公司 | Automatically controlled water shutoff tubular column of beam-pumping unit well cross annular space butt joint monitoring adjustment |
| CN109424361A (en) * | 2017-08-24 | 2019-03-05 | 中国石油天然气股份有限公司 | One-trip layered oil testing pipe column |
| CN110984926A (en) * | 2019-12-24 | 2020-04-10 | 辽宁隆立智能科技有限公司 | Intelligent control layered oil production well completion pipe string system and control method thereof |
| CN111155981A (en) * | 2019-12-20 | 2020-05-15 | 中煤科工集团西安研究院有限公司 | Method for monitoring gas production rate of coal-bed gas well by adopting double coal beds and adopting combined drainage and production layers |
| CN113266320A (en) * | 2021-05-31 | 2021-08-17 | 郭子晨 | Comprehensive intelligent water finding and blocking technology for oil well |
| CN114165166A (en) * | 2020-08-20 | 2022-03-11 | 中国石油天然气股份有限公司 | Test tubular column |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953714A (en) * | 2012-10-26 | 2013-03-06 | 中国石油化工股份有限公司 | Underground intelligent layered pressure controlled oil extraction method |
| CN103806901A (en) * | 2012-11-08 | 2014-05-21 | 中国石油大学(北京) | Oil well downhole rapid test system and test method |
| CN103806901B (en) * | 2012-11-08 | 2016-06-08 | 中国石油大学(北京) | The method of testing of oil well fast testing system |
| CN103382834A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Separated-layer pressure measurement technology by adopting intelligent switches |
| CN103382835A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Water exploration and plugging technology by adopting intelligent switches |
| CN103382835B (en) * | 2013-07-25 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Intelligent switch is looked for, water-plugging technique |
| CN105804708A (en) * | 2014-12-29 | 2016-07-27 | 中国石油天然气股份有限公司 | Oil well shaft layering control device and control method thereof |
| CN105064983A (en) * | 2015-06-04 | 2015-11-18 | 中国石油化工股份有限公司 | Underground wireless pressure measurement system, pressure measurement electric switchgear thereof and data collection transceiver |
| CN104989326A (en) * | 2015-06-24 | 2015-10-21 | 北京千永科技有限公司 | Regulating separate layer production string and separate layer oil production method |
| CN105863551A (en) * | 2016-05-16 | 2016-08-17 | 西安精实信石油科技开发有限责任公司 | Logging double packer capable of packing whole layering well section |
| CN106121598A (en) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | Oil well delamination production fluid measure and control test device |
| CN109424361A (en) * | 2017-08-24 | 2019-03-05 | 中国石油天然气股份有限公司 | One-trip layered oil testing pipe column |
| CN108729905A (en) * | 2018-04-20 | 2018-11-02 | 中国石油天然气股份有限公司 | Automatically controlled water shutoff tubular column of beam-pumping unit well cross annular space butt joint monitoring adjustment |
| CN111155981A (en) * | 2019-12-20 | 2020-05-15 | 中煤科工集团西安研究院有限公司 | Method for monitoring gas production rate of coal-bed gas well by adopting double coal beds and adopting combined drainage and production layers |
| CN110984926A (en) * | 2019-12-24 | 2020-04-10 | 辽宁隆立智能科技有限公司 | Intelligent control layered oil production well completion pipe string system and control method thereof |
| CN110984926B (en) * | 2019-12-24 | 2024-02-02 | 辽宁隆立智能科技有限公司 | Intelligent control layered oil extraction well completion pipe string system and control method thereof |
| CN114165166A (en) * | 2020-08-20 | 2022-03-11 | 中国石油天然气股份有限公司 | Test tubular column |
| CN113266320A (en) * | 2021-05-31 | 2021-08-17 | 郭子晨 | Comprehensive intelligent water finding and blocking technology for oil well |
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Application publication date: 20120425 |