CN112324425A - Coiled tubing layering testing device and method - Google Patents
Coiled tubing layering testing device and method Download PDFInfo
- Publication number
- CN112324425A CN112324425A CN202011139449.8A CN202011139449A CN112324425A CN 112324425 A CN112324425 A CN 112324425A CN 202011139449 A CN202011139449 A CN 202011139449A CN 112324425 A CN112324425 A CN 112324425A
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- coiled tubing
- packer
- controller
- depth
- oil
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Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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 testing device which comprises a process tubular column, wherein the interior of the process tubular column is sequentially provided with 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 calibrator, an oil tube, a perforating gun and a second packer from top to bottom; the arrangement of the depth calibrator and the perforating gun can realize that the coiled tubing string completes the oil testing operation of all oil layers, greatly shortens the operation period and reduces the production cost. The setting of the integrated tool is got in the survey, data, signal pass through cable, optic fibre, hydraulic pressure pipeline or sound wave, multiple mode transmission such as electromagnetism in the pit, acquire test data in the pit in real time and judge test effect, shorten the oil test cycle greatly, have fine development prospect, the setting of integrated tool and first packer is got in the survey, degree of automation is high, can realize the multiple functions and the oil test purpose of instrument in the pit comparatively easily through modes such as electronic, 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 layering testing device.
Background
Many low-permeability wells are used in the victory oil field, and the pressure recovery usually needs an underground clamping and sealing test to obtain data. The most common perforation and blocking test integrated technology becomes the most mature test technology of the victory exploration area at present, so that the coiled tubing test technology which aims at realizing the perforation-blocking test function can finally become the coiled tubing test technology with development prospect in the victory exploration area by combining the requirements of victory exploration. The technology is still in the exploration stage at home and abroad.
Disclosure of Invention
Aiming at the defects, the invention provides a coiled tubing layering testing device.
The technical scheme adopted by the invention 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 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 calibrator, an oil pipe, a perforating gun and a second packer from top to bottom; the coiled tubing is connected with a coiled tubing joint, and the lower part of the coiled tubing joint is connected with a measuring and taking integrated tool through a sliding sleeve switch; a first packer is arranged at the bottom of the measuring and taking integrated tool; a second sieve tube is connected between the first packer and the depth calibrator in a matching way; the oil pipe is arranged at the bottom of the depth calibrator and is connected with a perforating gun and a second packer in series.
As optimization, the measuring and taking integrated tool comprises a controller, a first sieve tube, a switching valve, a sampler and a PT short section, wherein the first sieve tube is arranged below the controller; the first sieve tube is connected with the sampler through a switch valve; and the PT short section is connected to the lower end of the sampler.
As optimization, the controller includes but is not limited to hydraulic and electric drive control modes to realize the excitation or control of switch valves, packers and perforating gun tools; the controller is not limited to adopt pulse, cable, sound wave and electromagnetic modes to collect and send signals of depth, pressure, temperature, flow and switch position.
And as optimization, the measuring and taking integrated tool controller is communicated with the ground driving device through a liquid column in the inner cavity of the coiled tubing or a built-in cable.
Preferably, the core parts of 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.
A coiled tubing layering test method comprises the following steps,
s1: installation: lowering the process pipe column into the oil well;
s2: switching on power: the ground power is communicated, so that the ground driving device is communicated with the controller;
s3: depth correction: measuring the depth of the tool by using a depth calibrator positioned at the bottom, and adjusting the depth of the tool according to depth calibration data;
s4: the controller switches the packer channels: setting a packer;
s5: the controller switches the perforating gun channel: exciting a perforating gun to perforate;
s6: the controller switches the switch valve channel: opening the switch valve to complete the well opening work;
s7: the controller maintains the on-off valve channel: closing the switch valve to complete the well closing operation;
s8: pressing to open the sliding sleeve switch, wherein the inner cavity of the oil pipe is communicated with the oil sleeve annulus through the sliding sleeve, and liquid in the continuous oil pipe is discharged through the sliding sleeve switch;
s9: lifting the coiled tubing process string, unsealing the packer, recovering the testing tool, and completing the zonal testing
S10: subsequent reservoir testing repeats steps S1-S9.
The invention has the beneficial effects that:
1. the invention has the advantages that the setting of the measuring and taking integrated tool and the first packer is high in automation degree, various functions and oil testing purposes of the downhole tool can be realized easily in an electric, mechanical and hydraulic mode, and the operation efficiency is high.
2. The depth calibrator and the perforating gun are arranged, and the development and technical perfection are realized, so that the oil testing operation of all exploratory wells can be realized by using the coiled tubing, the operation period is greatly shortened, and the production cost is reduced.
3. According to the invention, the integrated measuring and acquiring tool is arranged, underground data and signals are transmitted in various modes such as cables, optical fibers, hydraulic pipelines or sound waves and electromagnetism, ground direct reading can be realized, underground test data can be acquired in real time, the test effect can be judged, the revolution of the traditional oil testing mode is realized, the oil testing period is greatly shortened, and the development prospect is good.
4. The depth calibrator measures the number of particles radiated by a substance in unit time by measuring a radioactive curve or a magnetic positioning curve in an oil pipe, further measures the total natural gamma radiation of a stratum, and can acquire corresponding stratum structure information by analyzing the natural gamma measurement result. (the purpose of the depth gauge is to determine the downhole location and depth of the tool)
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the measurement and acquisition integration tool of the present invention.
In the figure:
1. the device comprises a process pipe column, 2, a coiled tubing joint, 3, a sliding sleeve switch, 4, a measuring and taking integrated tool, 41, a controller, 42, a first sieve pipe, 43, a switch valve, 44, a sampler, 45, a PT short section, 5, a first packer, 6, a second sieve pipe, 7, a depth calibrator, 8, an oil pipe, 9, a perforating gun, 10 and a second packer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The layered testing device for the coiled tubing 8, as shown in the attached drawings 1-2, comprises a process pipe column 1, and is characterized in that: the technical pipe column 1 is internally provided with a coiled tubing 8, a coiled tubing 8 joint 2, a sliding sleeve switch 3, a measuring and taking integrated tool 4, a first packer 5, a second sieve tube 6, a depth calibrator 7, an oil pipe 8, a perforating gun 9 and a second packer 10 from top to bottom in sequence; the coiled tubing 8 is connected with a coiled tubing 8 joint 2, and the lower part of the coiled tubing 8 joint 2 is connected with a measuring and taking integrated tool 4 through a sliding sleeve switch 3; the bottom of the measuring and taking integrated tool 4 is provided with a first packer 5; a second sieve tube 6 is connected between the first packer 5 and the depth indicator 7 in a matching way; the oil pipe 8 is arranged at the bottom of the depth indicator 7, and the oil pipe 8 is connected with a perforating gun 9 and a second packer 10 in series.
In this embodiment, the measuring and taking integrated tool 4 includes a controller 41, a first sieve tube 42, a switching valve 43, a sampler 44 and a PT nipple 45, wherein the first sieve tube 42 is arranged below the controller 41; the first sieve tube 42 is connected with a sampler 44 through a 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 drive control to activate or control the on-off valve 43, packer, and tool of the perforating gun 9; the controller 41 includes but is not limited to pulse, cable, sonic, electromagnetic means to collect and transmit signals of depth, pressure, temperature, flow, switch position.
In this embodiment, the controller 41 of the measurement and acquisition integrated tool 4 is communicated with the ground driving device through a liquid column in the inner cavity of the coiled tubing 8 or a built-in cable.
In this embodiment, the core of the first packer 5 and the second packer 10 is made up of three parts, a hydraulic setting mechanism, a sealer body and a pull-up 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: installation: lowering the process pipe column 1 into the oil well;
s2: switching on power: the ground power is connected to realize the communication between the ground driving device and the controller 41;
s3: depth correction: measuring the depth of the tool by using a depth calibrator 7 positioned at the bottom, and adjusting the depth of the tool according to depth calibration data;
s4: the controller 41 switches the packer channels: setting a packer;
s5: the controller 41 switches the perforating gun 9 channels: exciting the perforating gun 9 to perforate;
s6: the controller 41 switches the on-off valve 43 channel: the switch valve 43 is opened to complete the well opening work;
s7: the controller 41 maintains the on-off valve 43 channel: the switch valve 43 is closed to complete the well shut-in operation;
s8: the sliding sleeve switch 3 is opened by pressing, the inner cavity of the oil pipe 8 is communicated with the oil sleeve annulus through the sliding sleeve, and liquid in the continuous oil pipe 8 is discharged through the sliding sleeve switch 3;
s9: lifting the coiled tubing 8, namely the process pipe column 1, deblocking the packer, recovering the testing tool and completing the zonal testing
S10: subsequent reservoir testing repeats steps S1-S9.
The invention has high automation degree, can easily realize multiple functions and oil testing purposes of the underground tool in modes of electric, mechanical, hydraulic and the like, has high operation efficiency and quick pressure recovery, does not need bottom clamping and sealing, is expected to realize the completion of all exploratory well oil testing operations by utilizing the continuous oil pipe 8 through research and technical perfection, and greatly shortens the operation period and reduces the cost.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a coiled tubing layering testing arrangement, includes technology tubular column, its characterized in that: the process pipe column is sequentially provided with 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 calibrator, an oil pipe, a perforating gun and a second packer from top to bottom; the coiled tubing is connected with a coiled tubing joint, and the lower part of the coiled tubing joint is connected with a measuring and taking integrated tool through a sliding sleeve switch; a first packer is arranged at the bottom of the measuring and taking integrated tool; a second sieve tube is connected between the first packer and the depth calibrator in a matching way; the oil pipe is arranged at the bottom of the depth calibrator and is connected with a perforating gun and a second packer in series.
2. The coiled tubing zonal testing apparatus of claim 1, wherein: the measuring and taking integrated tool comprises a controller, a first sieve tube, a switch valve, a sampler and a PT short joint, wherein the first sieve tube is arranged below the controller; the first sieve tube is connected with the sampler through a switch valve; and the PT short section is connected to the lower end of the sampler.
3. The coiled tubing zonal testing apparatus of claim 2, wherein: the controller comprises but is not limited to hydraulic and electric drive control modes to realize the excitation or control of a switch valve, a packer and a perforating gun tool; the controller is not limited to adopt pulse, cable, sound wave and electromagnetic modes to collect and send signals of depth, pressure, temperature, flow and switch position.
4. The coiled tubing zonal testing apparatus of claim 3, wherein: the controller is communicated with the ground driving device through a liquid column in the inner cavity of the coiled tubing or a built-in cable.
5. The coiled tubing zonal testing apparatus of claim 2, wherein: the switch valve is linked to control the working state of the sampler, the liquid sample flows through the sampler when the switch valve is opened, and the sampler seals the liquid sample when the switch valve is closed.
6. The coiled tubing zonal testing apparatus of claim 3, wherein: the core parts of 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.
7. A coiled tubing layering test method is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
s1: installation: lowering the process pipe column into the oil well;
s2: switching on power: the ground power is communicated, so that the ground driving device is communicated with the controller;
s3: depth correction: measuring the depth of the tool by using a depth calibrator positioned at the bottom, and adjusting the depth of the tool according to depth calibration data;
s4: the controller switches the packer channels: setting a packer;
s5: the controller switches the perforating gun channel: exciting a perforating gun to perforate;
s6: the controller switches the switch valve channel: opening the switch valve to complete the well opening work;
s7: the controller maintains the on-off valve channel: closing the switch valve to complete the well closing operation;
s8: pressing to open the sliding sleeve switch, wherein the inner cavity of the oil pipe is communicated with the oil sleeve annulus through the sliding sleeve, and liquid in the continuous oil pipe is discharged through the sliding sleeve switch;
s9: lifting the coiled tubing process pipe column, unsealing the packer, recovering the testing tool, and completing the zonal testing;
s10: subsequent reservoir testing repeats steps S1-S9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139449.8A CN112324425B (en) | 2020-10-22 | 2020-10-22 | Coiled tubing layering test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139449.8A CN112324425B (en) | 2020-10-22 | 2020-10-22 | Coiled tubing layering test device and method |
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| Publication Number | Publication Date |
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| CN112324425A true CN112324425A (en) | 2021-02-05 |
| CN112324425B CN112324425B (en) | 2023-07-14 |
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| CN202011139449.8A Active CN112324425B (en) | 2020-10-22 | 2020-10-22 | Coiled tubing layering test device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN112324425B (en) | 2023-07-14 |
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