CN210422491U - Continuous steel rod conveying hydraulic radial drilling process pipe column - Google Patents
Continuous steel rod conveying hydraulic radial drilling process pipe column Download PDFInfo
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- CN210422491U CN210422491U CN201921296331.9U CN201921296331U CN210422491U CN 210422491 U CN210422491 U CN 210422491U CN 201921296331 U CN201921296331 U CN 201921296331U CN 210422491 U CN210422491 U CN 210422491U
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Abstract
The utility model discloses a continuous steel pole carries radial drilling technology tubular column of water conservancy, including first stereoplasm oil pipe, second stereoplasm oil pipe, positioner, injection shower nozzle, first stereoplasm oil pipe includes vertical section pipe, horizontal segment pipe, and wherein vertical section pipe setting is in second stereoplasm oil pipe, and the horizontal segment pipe is in the shaft bottom position of second stereoplasm oil pipe below, positioner connects the lower extreme at second stereoplasm oil pipe, the horizontal segment pipe is fixed on positioner, and the terminal installation of horizontal segment pipe sprays the shower nozzle. The positioning device is an oil pipe short section and is provided with a positioning hole for the horizontal section pipe to pass through and be positioned. An annulus is formed between the vertical section pipe of the first hard oil pipe and the second hard oil pipe, and a movable sealer is arranged on the outer wall of the vertical section pipe. The utility model discloses thoroughly solved the direction and the aperture problem of radial drilling, guaranteed the normal continuous production of oil well, prolonged the life-span of oil well production. The effect is very obvious through field use.
Description
Technical Field
The utility model belongs to the technical field of the oil development technique and specifically relates to a continuous steel pole carries hydraulic power radial drilling technology tubular column.
Background
In the process of oil field development, the production layer of part of oil wells is compact due to stratum cementation and does not collapse, so that the oil layer is ensured to have good permeability in order to avoid secondary pollution of oil layer cement well cementation, and generally, a casing is not arranged on the compact oil layer, and the casing is arranged on the upper part of the oil layer and is well cemented.
The productivity of the oil well is generally higher at the initial production period, and because the rock stratum is bonded more compactly, the productivity is gradually reduced after a period of production, and finally, the normal production cannot be realized without energy.
In order to extend the life of an oil well and increase the overall recovery of a block, two process steps are currently implemented. Firstly carry out the whole transformation of oil reservoir through hydraulic fracturing, the advantage of this technology is that the oil reservoir transformation is thorough, and the increase production range is big, is present conventional technology, and the shortcoming is that the transformation stratum does not have the directionality, and which direction pressure is low, and the sand is toward which moves, transforms which direction, if this direction has the fault or has the water layer, in case the communication fault has the water layer, can lead to transforming the failure. Secondly, stratum reconstruction is carried out by radial drilling through the coiled tubing and the hose connected with the lower part, partial effects are also obtained, and the defects that the hose advances along the direction of cementing and loosening of the stratum, the hose cannot necessarily reach the preset direction and layer position, the aperture direction is uncontrollable, and the length is unmeasurable are overcome; the second disadvantage is that the diameter of the current construction hose is smaller, generally 12.7mm, the seepage diameter is smaller, and the construction hose is easy to be blocked by the produced product.
Application No.: 201610202216.5 provides a downhole drilling apparatus comprising: the impeller comprises a shell, an impeller, an extension pipe and a support, wherein the impeller is arranged in the shell, the impeller is provided with an axially extending threaded hole in the middle, the extension pipe is provided with an external thread matched with the threaded hole and penetrates through the impeller from the threaded hole, the support is used for preventing the extension pipe from rotating relative to the shell, and when fluid passes through the shell, the impeller can be driven to rotate so that the impeller pulls the extension pipe to extend out of the shell. The underground drilling device is simple in structure and convenient to operate.
Application No.: 201510579846.X relates to a coal mine underground hydraulic jet tree-shaped drilling combined drilling tool, which comprises six parts of a drill rod, a guider, a drill bit, a high-pressure hose, a self-advancing drill bit and a dial. The drill rod is connected with the front end of the guider through threads, and the drill bit is connected with the tail end of the guider through threads; the drill rod, the guider and the drill bit are matched for use, and two steps of reaming and feeding the guider can be completed simultaneously; after reaming, drilling tree-shaped drilled holes in the coal seam by using a high-pressure hose and a self-propelled drill bit; the uniformity of the distribution of the tree-like drill holes is controlled by a dial. The method mainly has the advantages that the main hole of the tree-shaped drilling hole of the coal seam is drilled, the tree-shaped drilling hole is drilled, and the uniform permeability increase of the coal seam is realized. The invention has simple structure and convenient operation, and is suitable for drilling tree-shaped drill holes in the gas extraction process of the low-permeability coal seam.
Application No.: 200910012538.3 relates to the petroleum drilling equipment, specifically a petroleum drilling horizontal hole drilling tool which can complete the hole drilling of the steel casing wall and the cement and rock layer by one time of well drilling, including the actuator and the power source connected with it in a sealing way, the actuator is divided into the inner, middle and outer three layers, including the drilling tool for drilling the steel casing wall and the guider for drilling the cement layer and rock, both are driven by the positioning hydraulic cylinder to move reciprocally, so that the horizontal hole drilling of the steel casing wall and the cement and rock layer can be completed by one time of well drilling, thus greatly improving the efficiency of the horizontal hole drilling; the power source provides power for the actuating mechanism through the oil pipe, the sealing between the oil pipe and the sealing connecting piece is good, and the motor, the battery and the electric wire do not need to be specially sealed. The device has the advantages of simple structure, convenient operation and low cost.
Application No.: 201010149819.6 an underground drilling tool of an intelligent underground multi-branch horizontal drilling completion system relates to the technical field of energy exploitation equipment and comprises an upper end expansion fixed group, a phase angle control steering gear and a rotary flexible shaft drilling tool, wherein the upper end and the lower end of the phase angle control steering gear are respectively connected with the upper end expansion fixed group and the rotary rotating shaft drilling tool. The drill bit with high-pressure water flow drills into the stratum from four uniformly distributed horizontal directions, and the drilled rock debris is taken out from the completed hole, so that the horizontal multi-branch drilling operation is realized, the exposed area of the fluid is increased, and the aim of efficiently exploiting underground energy is fulfilled.
Application No.: 201310323780.9 relates to the technical field of oil field oil extraction engineering, and belongs to an oil-water well oil layer ground control underground horizontal drilling device. The invention is designed for overcoming the potential safety hazards of electric leakage and the like of the existing perforation and drilling equipment. The novel drilling machine mainly comprises a lead screw (2), a gear (3), a bearing (4), a bearing seat (5), a limiting cover (6), a stepping motor seat (7), a bearing gland (8), a lead screw lower joint (9), a traveling piston (10), a large piston cylinder (12), a light pipe (13), a stepping motor sleeve (14), an inner hexagon bolt (15), a cable connecting wire (16), a stepping motor (17), an upper computer (18), a fixed piston (22), a rotary joint (23), a lead screw lower joint (24), a coupling (25), an oil pipe (26), a pressure gauge joint (27), a pressure gauge (28), a pressure pump (29), a positioning joint (30), a drilling gun main body (31), a casing pipe window opener (40) and a sandstone hole opener (70). The device has the advantages of simple and accurate control, no damage to the sleeve, deep hole drilling and the like.
Application No.: 201810490424.9 provides an application method of a rigid drilling tool for a coiled tubing lateral drilling horizontal well, namely, on the basis that the tensile safety factor is 1.4-1.5, the lower end of a coiled tubing is connected with the rigid drilling tool with the length of 600-700 m, and the coiled tubing and the rigid drilling tool are lowered to a specified position in a well; drilling for 10-20 m under the action of 2-3.5 tons of drilling pressure; observing the rock debris return amount of the well mouth, if the rock debris return amount of the well mouth is kept unchanged, continuing to drill down, if the rock debris return amount of the well mouth is reduced, lifting the movable drilling tool on the well mouth, and increasing the discharge capacity of the circulating pump until all the rock debris at the well bottom is taken out; observing the pump pressure of the circulating pump, repeatedly lifting the movable rigid drilling tool if the pump pressure rises by 1-1.5 Mpa, so that the drilling pressure is transmitted to the drill bit, and when the drilling is carried out again without footage, the continuous oil pipe drilling is finished. The problem that the effective drilling pressure at the bottom of a well is gradually reduced along with the increase of the horizontal section length of the sidetracking horizontal well in the conventional coiled tubing sidetracking horizontal well drilling tool is solved, and the purpose of effectively prolonging the sidetracking horizontal section length of the coiled tubing gas well is achieved.
The technical solutions of the above-disclosed technologies, the technical problems to be solved, and the advantageous effects thereof are all different from the present invention, and no technical inspiration exists in the above-disclosed technical documents for more technical features, technical problems to be solved, and advantageous effects thereof.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radial drilling technology tubular column of water conservancy is carried to continuous steel pole has thoroughly solved radial drilling's direction and aperture problem, guarantees the normal continuous production of oil well, has prolonged the life-span of oil well production. The effect is very obvious through field use.
In order to achieve the above object, the utility model provides a following technical scheme, a radial drilling technology tubular column of continuous steel pole transport water conservancy, including first stereoplasm oil pipe, second stereoplasm oil pipe, positioner, injection shower nozzle, first stereoplasm oil pipe includes vertical section pipe, horizontal segment pipe, and wherein vertical section pipe setting is in second stereoplasm oil pipe, and the horizontal segment pipe is in the shaft bottom position of second stereoplasm oil pipe below, positioner connects the lower extreme at second stereoplasm oil pipe, the horizontal segment pipe is fixed on positioner, and the end installation injection shower nozzle of horizontal segment pipe.
The positioning device is an oil pipe short section and is provided with a positioning hole for the horizontal section pipe to pass through and be positioned.
An annulus is formed between the vertical section pipe of the first hard oil pipe and the second hard oil pipe, a movable sealer is arranged on the outer wall of the vertical section pipe, and the movable sealer is used for connecting and fixing the vertical section pipe of the first hard oil pipe and the second hard oil pipe and blocking and sealing the annulus up and down.
The upper end of the vertical section pipe of the first hard oil pipe is provided with a threaded port to be connected with the continuous steel rod, and the upper end of the vertical section pipe of the first hard oil pipe is also provided with a liquid inlet.
The inner diameter of the first hard oil pipe is a D31.75mm hard oil pipe, and the inner diameter of the second hard oil pipe is a D73mm hard oil pipe.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses be applied to the oil development in-process and use a continuous steel pole at the open hole well section and carry hydraulic power radial drilling technology, carry out the recovery ratio of radial drilling in order to improve the oil well. By implementing the process pipe column, the problems of the direction and the aperture of radial drilling are thoroughly solved, the normal continuous production of an oil well is ensured, and the production life of the oil well is prolonged. The effect is very obvious through field use.
D73mm oil pipe is put into the casing (7) in advance to reach the upper boundary of an oil layer, and the D31.75mm hard oil pipe is conveyed by the continuous steel rod to carry out radial drilling, so that the hole diameter direction is controllable, the length can be measured, the position needing to be reached is reached, the diameter of the well hole is larger, the drainage radius of the hole can be effectively improved, the drainage area of the well hole is increased, the yield of a single well is improved, the integral recovery ratio of a block is improved, the normal production period of the oil well is prolonged, and the use effect is ideal.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic radial drilling process tubular column for continuous steel rod conveying.
In the figure: the device comprises a spray nozzle 1, a D31.75mm hard oil pipe 2, a movable sealer 3, a continuous steel rod 4, a D73mm hard oil pipe 5, a positioning device 6, a well wall 7 and a well bottom rock layer 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides a radial drilling technology tubular column of continuous steel pole transport water conservancy, includes first stereoplasm oil pipe, second stereoplasm oil pipe, positioner 6, sprays shower nozzle 1, first stereoplasm oil pipe includes vertical section pipe, horizontal section pipe, and wherein vertical section pipe setting is in the second stereoplasm oil pipe, and horizontal section pipe is in the shaft bottom position of second stereoplasm oil pipe below, positioner connects the lower extreme at second stereoplasm oil pipe, horizontal section pipe is fixed on positioner, and the terminal installation of horizontal section pipe sprays the shower nozzle.
The positioning device 6 is an oil pipe short section, and is provided with a positioning hole for the horizontal section pipe to pass through and be positioned.
An annulus is formed between the vertical section pipe of the first hard oil pipe and the second hard oil pipe, a movable sealer 3 is installed on the outer wall of the vertical section pipe, and the movable sealer is used for connecting and fixing the vertical section pipe of the first hard oil pipe and the second hard oil pipe and blocking and sealing the annulus up and down.
The upper end of the vertical section pipe of the first hard oil pipe is provided with a threaded port to be connected with the continuous steel rod, and the upper end of the vertical section pipe of the first hard oil pipe is also provided with a liquid inlet.
The inner diameter of the first hard oil pipe is a D31.75mm hard oil pipe 2, and the inner diameter of the second hard oil pipe is a D73mm hard oil pipe 5.
The spray nozzle is positioned at the bottom of the process pipe column, the whole shape of the spray nozzle is conical, the conical surface points to the direction of an oil layer, 6 spray holes are uniformly distributed on the conical surface, the spray nozzle is mainly used for breaking rock of a compact oil layer 8 under the action of water power and guiding a D31.75mm hard oil pipe to drill holes in the radial direction. The spray heads are conventionally known in the art.
The lower part of the D31.75mm hard oil pipe is connected with a spray nozzle, the aperture direction is controllable, the length can be measured, and the design preset place can be reached through radial drilling.
The lower part of the movable sealer is connected with a D31.75mm hard oil pipe, and the upper part of the movable sealer is connected with a continuous steel rod, so that firstly, the D31.75mm hard oil pipe is ensured to be connected with a D73mm hard oil pipe in a sealing way, and thus, liquid is ensured to smoothly flow to the injection nozzle in an inner cavity for drilling; and secondly, the upper part of the continuous steel rod is connected, so that the continuous steel rod is ensured to be continuously lowered in the construction process, and the D31.75mm hard oil pipe is pushed to drive the injection nozzle to continuously drill. The movable sealer or movable sealing mechanism is conventionally known in the art.
The positioning device is used for positioning a D31.75mm hard oil pipe into a stratum, and the azimuth and the levelness of radial drilling of the oil pipe are guaranteed. The positioning means are conventional and well known in the art. Namely, a positioning hole for passing through and positioning is arranged on one positioning tube.
The D73mm hard oil pipe is a passage for liquid to enter the D31.75mm hard oil pipe and the spray nozzle from the ground.
When the hydraulic radial drilling process tubular column for conveying the continuous steel rod is installed, firstly, a positioning device 6, a D73mm hard oil pipe 5, a spray nozzle 1, a D31.75mm hard oil pipe 2, a movable sealer 3 and the continuous steel rod 4 are arranged below a wellhead. When the positioning device and the D73mm hard oil pipe are lowered into the designed position, a well mouth is installed, and the injection nozzle, the 31.75mm hard oil pipe, the movable sealer and the continuous steel rod are lowered from the well mouth in sequence. Liquid is injected into the jet nozzle from the D73mm hard oil pipe and the D31.75mm hard oil pipe, the continuous steel rod is lowered, the jet nozzle continuously breaks rock under the injection of the liquid, and finally the rock reaches the designed depth and position, so that the purpose of radial perforation is achieved, and the normal production of an oil well is ensured.
In the description of the present invention, it should be understood that the orientation indication or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description of the present invention, and does not indicate or imply that the device or element 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a radial drilling technology tubular column of continuous steel pole conveying water conservancy which characterized in that, includes first stereoplasm oil pipe, second stereoplasm oil pipe, positioner, sprays the shower nozzle, first stereoplasm oil pipe includes vertical section pipe, horizontal section pipe, and wherein vertical section pipe sets up in second stereoplasm oil pipe, and horizontal section pipe is in the shaft bottom position of second stereoplasm oil pipe below, positioner connects the lower extreme at second stereoplasm oil pipe, horizontal section pipe is fixed on positioner, and the end installation of horizontal section pipe sprays the shower nozzle.
2. The continuous steel rod conveying hydraulic radial drilling process pipe string as claimed in claim 1, wherein the positioning device is an oil pipe nipple, and the positioning device is provided with a positioning hole for passing and positioning a horizontal section of pipe.
3. The continuous steel rod conveying hydraulic radial drilling process pipe column according to claim 1 or 2, wherein an annulus is formed between the vertical section of the first hard oil pipe and the second hard oil pipe, a movable sealer is installed on the outer wall of the vertical section of the pipe, and the movable sealer is used for connecting and fixing the vertical section of the first hard oil pipe and the second hard oil pipe and blocking and sealing the annulus up and down.
4. The continuous steel rod conveying hydraulic radial drilling process pipe column as claimed in claim 3, wherein a threaded port is formed at the upper end of the vertical section of the first hard oil pipe and connected with the continuous steel rod, and a liquid inlet is further formed at the upper end of the vertical section of the first hard oil pipe.
5. The coiled steel bar conveyed hydraulic radial drilling process string as claimed in claim 2 or 4, wherein the first hard tubing inner diameter is D31.75mm hard tubing and the second hard tubing inner diameter is D73mm hard tubing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921296331.9U CN210422491U (en) | 2019-08-08 | 2019-08-08 | Continuous steel rod conveying hydraulic radial drilling process pipe column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921296331.9U CN210422491U (en) | 2019-08-08 | 2019-08-08 | Continuous steel rod conveying hydraulic radial drilling process pipe column |
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| CN210422491U true CN210422491U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458156A (en) * | 2020-10-21 | 2022-05-10 | 中国石油化工股份有限公司 | A high-pressure water jet conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458156A (en) * | 2020-10-21 | 2022-05-10 | 中国石油化工股份有限公司 | A high-pressure water jet conveying device |
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