CN112324425B - Coiled tubing layering test device and method - Google Patents
Coiled tubing layering test device and method Download PDFInfo
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- CN112324425B CN112324425B CN202011139449.8A CN202011139449A CN112324425B CN 112324425 B CN112324425 B CN 112324425B CN 202011139449 A CN202011139449 A CN 202011139449A CN 112324425 B CN112324425 B CN 112324425B
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- packer
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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
- E21B47/00—Survey of boreholes or wells
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
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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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/122—Multiple string packers
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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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
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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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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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
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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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The invention provides a coiled tubing layering test device which comprises a process tubular column, wherein a coiled tubing, a coiled tubing joint, a sliding sleeve switch, a measuring and taking integrated tool, a first packer, a second sieve tube, a depth corrector, an oil tube, a perforating gun and a second packer are sequentially arranged in the process tubular column from top to bottom; the setting of the depth corrector and the perforating gun can realize one pass of continuous oil pipe column to complete the oil testing operation of all oil layers, thereby greatly shortening the operation period and reducing the production cost. The setting of survey and get integrated instrument, the multiple mode transmission such as data in the pit, signal pass through cable, optic fibre, hydraulic pressure pipeline or sound wave, electromagnetism acquire in real time and test data and judgement test effect, shorten the test oil cycle greatly, have fine development prospect, survey and get the setting of integrated instrument and first packer, degree of automation is high, can comparatively easily realize multiple functions and the test oil purpose of instrument in the pit through modes such as electric, machinery, hydraulic pressure, the operating efficiency is high.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a coiled tubing layered testing device.
Background
The victory oil field has many low permeability wells, and the pressure recovery often needs a downhole blocking test to acquire data. The most commonly used perforation and clamping and sealing test integrated technology becomes the most mature test technology of the victory detection area at present, so that the coiled tubing test technology aiming at realizing the perforation-clamping and sealing test function can be finally changed into the coiled tubing test technology with development prospect in the victory detection area in combination with the requirements of victory exploration. The technology in this aspect is still in the exploring stage at home and abroad.
Disclosure of Invention
In order to overcome the defects, the invention provides a coiled tubing layering test device.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a coiled tubing layering testing arrangement, includes technology tubular column, its characterized in that: the inside of the process pipe column is sequentially provided with a continuous oil pipe, a continuous oil pipe joint, a sliding sleeve switch, a measuring and taking integrated tool, a first packer, a second sieve tube, a depth corrector, an oil pipe, a perforating gun and a second packer from top to bottom; the continuous oil pipe is connected with a continuous oil pipe joint, and the lower part of the continuous oil pipe joint is connected with a measuring integrated tool through a sliding sleeve switch; the bottom of the measuring integrated tool is provided with a first packer; a second screen pipe is connected between the first packer and the depth corrector in a matched manner; the oil pipe is arranged at the bottom of the depth corrector, and is connected with a perforating gun and a second packer in series.
As optimization, the measuring integrated tool comprises a controller, a first screen pipe, a switching valve, a sampler and a PT nipple, wherein the first screen pipe is arranged below the controller; the first sieve tube is connected with the sampler through a switch valve; PT nipple joint connect in the sampler lower extreme.
As optimization, the controller comprises, but is not limited to, the excitation or control of the on-off valve, the packer and the perforating gun tool by adopting a hydraulic and electric driving control mode; the controller is not limited to pulse, cable, sound wave and electromagnetic mode to collect and transmit depth, pressure, temperature, flow and switch position signals.
As optimization, the measuring integrated tool controller is communicated with the ground driving device through a liquid column of the inner cavity of the continuous oil pipe or a built-in cable.
As an optimization, the first packer and the second packer core part are composed of three parts, namely a hydraulic setting mechanism, a sealer body and a lifting release mechanism.
A coiled tubing layering test method comprises the following steps,
s1: and (2) mounting: lowering the process pipe column into the oil well;
s2: switching on power: the ground power is connected, so that the ground driving device is communicated with the controller;
s3: and (3) correcting depth: measuring the depth of the tool by using a depth corrector positioned at the bottom, and adjusting the depth of the tool according to the depth correction data;
s4: the controller switches packer channels: setting a packer;
s5: the controller switches the perforating gun channel: exciting a perforating gun to perforate;
s6: the controller switches the switching valve channel: the switching valve is opened to finish the well opening work;
s7: the controller maintains the on-off valve passage: closing the switch valve to finish well closing operation;
s8: pressing to open a sliding sleeve switch, communicating an inner cavity of an oil pipe with an oil sleeve annulus through a sliding sleeve, and discharging liquid in a continuous oil pipe through the sliding sleeve switch;
s9: lifting a coiled tubing process tubular column, unlocking a packer, recovering a testing tool and completing the testing of the layer
S10: subsequent reservoir testing repeats steps S1-S9.
The beneficial effects of the invention are as follows:
1. the invention measures the setting of the integrated tool and the first packer, has high automation degree, can easily realize various functions and oil testing purposes of the underground tool by means of electric, mechanical, hydraulic and the like, and has high operation efficiency.
2. The setting of the depth corrector and the perforating gun is expected to realize completion of all exploratory well oil testing operations by using the continuous oil pipe through research and technological perfection, thereby greatly shortening the operation period and reducing the production cost.
3. The invention measures the arrangement of the integrated tool, the underground data and signals are transmitted in various modes such as cables, optical fibers, hydraulic pipelines or sound waves, electromagnetism and the like, the ground direct reading can be realized, the underground test data can be obtained in real time, the test effect can be judged, the revolution of the traditional oil test mode can be realized, the oil test period can be greatly shortened, and the invention has good development prospect.
4. The depth calibrator is arranged, the number of particles radiated by substances in unit time is measured by measuring a radioactive curve or a magnetic positioning curve in the oil pipe, the total natural gamma radiation of the stratum is further measured, and corresponding stratum structure information can be obtained by analyzing a natural gamma measurement result. (the purpose of the depth gauge is to determine the downhole location and depth at which the tool is located)
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the structure of the measuring and integrating tool of the present invention.
In the figure:
1. the device comprises a process pipe column, a continuous oil pipe joint, a 3 sliding sleeve switch, a 4-measuring integrated tool, a 41-controller, a 42-first screen pipe, a 43-switching valve, a 44-sampler, a 45-PT nipple, a 5-first packer, a 6-second screen pipe, a 7-depth corrector, an 8-oil pipe, a 9-perforating gun, a 10-second packer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
A coiled tubing 8 layered testing device as shown in fig. 1 to 2, comprising a process string 1, characterized in that: the inside of the process pipe column 1 is sequentially provided with a continuous oil pipe 8, a continuous oil pipe 8 joint 2, a sliding sleeve switch 3, a measuring integrated tool 4, a first packer 5, a second screen pipe 6, a depth corrector 7, an oil pipe 8, a perforating gun 9 and a second packer 10 from top to bottom; the continuous oil pipe 8 is connected with the continuous oil pipe 8 joint 2, and the lower part of the continuous oil pipe 8 joint 2 is connected with the measuring integrated tool 4 through the sliding sleeve switch 3; the bottom of the measuring integrated tool 4 is provided with a first packer 5; a second screen pipe 6 is connected between the first packer 5 and the depth corrector 7 in a matched mode; the oil pipe 8 is arranged at the bottom of the depth corrector 7, and the oil pipe 8 is connected with a perforating gun 9 and a second packer 10 in series.
In this embodiment, the integrated tool 4 for measuring and taking includes a controller 41, a first screen 42, a switch valve 43, a sampler 44 and a PT nipple 45, where the first screen 42 is disposed below the controller 41; the first sieve tube 42 is connected with the sampler 44 through the switch valve 43; the PT nipple 45 is connected to the lower end of the sampler 44.
In the present embodiment, the controller 41 includes, but is not limited to, hydraulic or electric driving control mode to activate or control the on-off valve 43, the packer and the tool of the perforating gun 9; the controller 41 includes but is not limited to pulse, cable, sonic, electromagnetic means for acquiring and transmitting depth, pressure, temperature, flow, switch position signals.
In this embodiment, the controller 41 of the integrated measuring tool 4 is connected to the ground driving device through a liquid column or a built-in cable in the inner cavity of the coiled tubing 8.
In this embodiment, the core parts of the first packer 5 and the second packer 10 are composed of three parts, a hydraulic setting mechanism, a sealer body and a lift release mechanism.
The working principle and the using method are as follows:
the invention provides a testing method of a coiled tubing 8 layering testing device, which comprises the following steps:
s1: and (2) mounting: lowering the process pipe column 1 into the oil well;
s2: switching on power: the ground power is connected, so that the ground driving device is communicated with the controller 41;
s3: and (3) correcting depth: measuring the tool depth by using a depth gauge 7 positioned at the bottom, and adjusting the tool depth according to the depth gauge data;
s4: the controller 41 switches the packer channels: setting a packer;
s5: the controller 41 switches the perforating gun 9 passage: exciting a perforating gun 9 to perforate;
s6: the controller 41 switches the on-off valve 43 passage: the on-off valve 43 is opened to finish the well opening work;
s7: the controller 41 keeps the on-off valve 43 passage: the on-off valve 43 is closed to finish the well closing operation;
s8: pressing to open the sliding sleeve switch 3, communicating the inner cavity of the oil pipe 8 with the oil sleeve annulus through the sliding sleeve, and discharging the liquid in the continuous oil pipe 8 through the sliding sleeve switch 3;
s9: lifting the coiled tubing 8, carrying out process tubular column 1, unlocking the packer, recovering the testing tool, and completing the layer testing
S10: subsequent reservoir testing repeats steps S1-S9.
The invention has high degree of automation, can easily realize various functions of downhole tools and oil testing purposes by means of electric, mechanical, hydraulic and the like, has high operation efficiency and quick pressure recovery, does not need well bottom blocking, is expected to realize completion of all exploratory well oil testing operations by using the continuous oil pipe 8 through research and technological perfection, and greatly shortens the operation period and reduces the cost.
The foregoing embodiments are merely examples of the present invention, and the scope of the present invention includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (3)
1. The coiled tubing layering test method comprises the steps of using a coiled tubing layering test device, wherein the coiled tubing layering test device comprises a process tubular column, wherein the process tubular column is sequentially provided with a coiled tubing, a coiled tubing connector, a sliding sleeve switch, a measuring and taking integrated tool, a first packer, a second sieve tube, a depth corrector, an oil tube, a perforating gun and a second packer from top to bottom; the said connection
The coiled tubing is connected with a coiled tubing connector, and the lower part of the coiled tubing connector is connected with a measuring integrated tool through a sliding sleeve switch; the bottom of the measuring integrated tool is provided with a first packer; a second screen pipe is connected between the first packer and the depth corrector in a matched manner; the oil pipe is arranged at the bottom of the depth corrector, and is connected with a perforating gun and a second packer in series; the measuring and taking integrated tool comprises a controller, a first screen pipe, a switching valve, a sampler and a PT nipple, wherein the first screen pipe is arranged below the controller; the first sieve tube is connected with the sampler through a switch valve; the PT nipple is connected to the lower end of the sampler; the controller comprises a hydraulic and electric drive control mode for realizing the excitation or control of the switch valve, the packer and the perforating gun tool; the controller is used for acquiring and transmitting depth, pressure, temperature, flow and switch position signals in a pulse, cable, sound wave and electromagnetic mode; the controller is communicated with the ground driving device through a liquid column of the inner cavity of the continuous oil pipe or a built-in cable; the method is characterized in that: comprises the steps of,
s1: and (2) mounting: lowering the process pipe column into the oil well;
s2: switching on power: the ground power is connected, so that the ground driving device is communicated with the controller;
s3: and (3) correcting depth: measuring the depth of the tool by using a depth corrector positioned at the bottom, and adjusting the depth of the tool according to the depth correction data;
s4: the controller switches packer channels: setting a packer;
s5: the controller switches the perforating gun channel: exciting a perforating gun to perforate;
s6: the controller switches the switching valve channel: the switching valve is opened to finish the well opening work;
s7: the controller maintains the on-off valve passage: closing the switch valve to finish well closing operation;
s8: pressing to open a sliding sleeve switch, communicating an inner cavity of an oil pipe with an oil sleeve annulus through a sliding sleeve, and discharging liquid in a continuous oil pipe through the sliding sleeve switch;
s9: lifting a coiled tubing process tubular column, deblocking a packer, and recovering a testing tool to finish the layer testing;
s10: subsequent reservoir testing repeats steps S1-S9.
2. The coiled tubing delamination testing method of claim 1, wherein: the on-off valve is used for controlling the working state of the sampler in a linkage way, the liquid sample flows through the sampler when the on-off valve is opened, and the sampler seals the liquid sample when the on-off valve is closed.
3. The coiled tubing delamination testing method of claim 1, wherein: the first packer and the second packer are composed of three parts, namely a hydraulic setting mechanism, a sealer body and a lifting release mechanism.
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| CN113738354A (en) * | 2021-10-07 | 2021-12-03 | 哈尔滨工业大学重庆研究院 | High-efficient sampling system of automatically controlled anchoring setting formula |
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| CN111042800A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Horizontal well coiled tubing downhole television testing pipe column and testing method |
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| CN1325757C (en) * | 2003-08-01 | 2007-07-11 | 中国石油天然气股份有限公司 | Layer testing technology and apparatus for loose sand gas-field gas-production well oil-casing |
| AU2003904183A0 (en) * | 2003-08-08 | 2003-08-21 | Woodside Energy Limited | Method for completion or work-over of a sub-sea well using a horizontal christmas tree |
| US8833459B2 (en) * | 2010-06-15 | 2014-09-16 | Matthew Carl O'Malley | System and method for channeling fluids underwater to the surface |
| CN103821508B (en) * | 2012-11-16 | 2016-05-11 | 中国石油天然气股份有限公司 | Horizontal well in segments is produced quick electric sampler |
| CN108843257B (en) * | 2014-11-17 | 2019-09-27 | 颜禾智能科技(浙江)有限公司 | Concentric tube under across returning perforation, test, drain, modernization system and operating method |
| CN104533392A (en) * | 2014-12-17 | 2015-04-22 | 杰瑞能源服务有限公司 | Coiled tubing tool set with cable perforations and technology |
| CN105089514B (en) * | 2015-05-29 | 2017-05-10 | 中国石油天然气股份有限公司 | Layering perforation and oil testing pipe column and use method thereof |
| CN105545282A (en) * | 2015-12-10 | 2016-05-04 | 中国石油天然气股份有限公司 | Layering continuous well testing system and use method thereof |
| CN105761160A (en) * | 2016-04-22 | 2016-07-13 | 中海石油(中国)有限公司湛江分公司 | Offshore oil and gas well test pipe column and ground flow decision system |
| CN109083625B (en) * | 2018-08-09 | 2021-08-06 | 营口市双龙射孔器材有限公司 | Operation method of full-drift-diameter straddle perforation-testing combined operation tubular column |
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