CN210738529U - Ultra-light particle horizontal well sectional filling process tool and sectional water control process tool - Google Patents
Ultra-light particle horizontal well sectional filling process tool and sectional water control process tool Download PDFInfo
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- CN210738529U CN210738529U CN201921675844.0U CN201921675844U CN210738529U CN 210738529 U CN210738529 U CN 210738529U CN 201921675844 U CN201921675844 U CN 201921675844U CN 210738529 U CN210738529 U CN 210738529U
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Abstract
The utility model provides an ultralight particle horizontal well segmented filling process tool and a segmented water control process tool, which relate to the technical field of well completion, wherein the ultralight particle horizontal well segmented filling process tool comprises a filling tool, a plurality of bypass screen pipes and a bypass packer connected between any two adjacent bypass screen pipes, and the bypass screen pipes are hermetically connected with the bypass packer; the filling tool is connected with the bypass screen pipe at the top in a sealing way. The sectional water control process tool comprises a water control assembly and an ultra-light particle horizontal well sectional filling process tool; the water control assembly is positioned in the ultra-light particle horizontal well sectional filling process tool. The ultra-light particle horizontal well sectional filling process tool and the sectional water control process tool achieve the technical effect of easy filling operation.
Description
Technical Field
The utility model relates to a well completion technical field particularly, relates to ultralight granule horizontal well segmentation filling process tool and segmentation accuse water process tool.
Background
The large section of mudstone is frequently drilled in the position of a middle tube shoe in the completion of the open-hole horizontal well, and the gravel filling operation of the whole open-hole horizontal well is easy to fail due to the fact that the mudstone section well wall falls into blocks, is reduced in diameter and collapses.
Therefore, it is an important technical problem to be solved by those skilled in the art to provide a sectional filling process tool and a sectional water control process tool for an ultra-light particle horizontal well, which can be normally performed in filling operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultralight granule horizontal well segmentation fills technology instrument and segmentation accuse water technology instrument to alleviate the technical problem that fills the operation and fail easily among the prior art.
In a first aspect, the embodiment of the present invention provides an ultra-light particle horizontal well segmented filling process tool, which includes a filling tool, a plurality of bypass screen pipes, and a bypass packer connected between any two adjacent bypass screen pipes, wherein the bypass screen pipes are connected with the bypass packer in a sealing manner;
the filling tool is connected with the bypass sieve tube at the uppermost part in a sealing mode.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the ultra-light particle horizontal well staged filling process tool further includes a filling service tool;
the filling service tool is positioned in the filling tool, and a switch tool for setting the bypass packer is arranged on the filling service tool.
In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the bottom of the bypass screen pipe is connected to a liquid-lock-proof sealing cylinder, and when filling, the liquid-lock-proof sealing cylinder can be connected to the filling service tool in a sealing manner.
In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the bottom of the liquid-lock-proof sealing barrel is connected with a float shoe for preventing sand filled in the oil well annulus from entering the oil pipe.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the bypass channel of the bypass packer is communicated with the bypass channel of the bypass screen.
With reference to the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the filling tool outer wall sleeve is provided with an anchor.
In a second aspect, the embodiment of the present invention provides a sectional water control process tool, which includes a water control assembly and the ultra-light particle horizontal well sectional filling process tool;
the water control assembly is positioned in the ultra-light particle horizontal well sectional filling process tool.
In combination with the second aspect, embodiments of the present invention provide a possible implementation manner of the second aspect, wherein the water control assembly includes a plurality of sets of water control units, and any two adjacent sets of the water control units are connected by a sealing rod;
the sealing rod positioned in the bypass packer can be in sealing connection with the bypass packer, and the sealing rod positioned in the liquid-lock-preventing sealing barrel can be in sealing connection with the liquid-lock-preventing sealing barrel.
In combination with the second aspect, embodiments of the present invention provide a possible implementation manner of the second aspect, wherein each group of the water control units includes a plurality of water control components, which are connected in series in sequence through oil pipes, and the water control components can be connected to the sealing rods.
In combination with the second aspect, embodiments of the present invention provide a possible implementation manner of the second aspect, wherein the water control component employs an oil recovery flow controller.
Has the advantages that:
the utility model provides an ultralight particle horizontal well subsection filling process tool, which comprises a filling tool, a plurality of bypass sieve tubes and a bypass packer connected between any two adjacent bypass sieve tubes, wherein the bypass sieve tubes are hermetically connected with the bypass packer; the filling tool is connected with the bypass screen pipe at the top in a sealing way.
When the packer is used, the bypass packer is used for setting, oil well annuluses are layered, filling fluid is discharged into the annulus on the uppermost layer through the filling tool, the filling fluid can fill the oil well annulus on the uppermost layer, and the filling fluid can penetrate through a bypass channel of the bypass packer and then fill the oil well annulus on the next layer. When a sand bridge appears in the oil well annulus, the filling liquid can bypass the sand bridge from the bypass channel of the bypass sieve tube to continue filling the oil well annulus so as to ensure the normal operation of filling.
The utility model provides a sectional water control process tool, which comprises a water control assembly and an ultralight particle horizontal well sectional filling process tool; the water control assembly is positioned in the ultra-light particle horizontal well sectional filling process tool. The segmented water control process tool has the advantages compared with the prior art, and the description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an ultra-light particle horizontal well sectional filling process tool provided by an embodiment of the present invention before filling work;
fig. 2 is a schematic diagram of the ultra-light particle horizontal well sectional filling process tool provided by the embodiment of the present invention after filling;
fig. 3 is a schematic view of the ultra-light particle horizontal well sectional filling process tool provided by the embodiment of the present invention after the filling service tool is pulled out after the filling operation;
fig. 4 is a schematic view of a sectional water control process tool provided in an embodiment of the present invention;
fig. 5 is a schematic view of a filling service tool in an ultra-light particle horizontal well sectional filling process tool provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a water control assembly in a sectional water control process tool according to an embodiment of the present invention;
fig. 7 is a schematic view of a sealing rod in a sectional water control process tool according to an embodiment of the present invention;
fig. 8 is a schematic view of a liquid-lock-proof sealing cylinder in the sectional water control process tool provided by the embodiment of the present invention.
Icon:
100-a filling tool;
200-bypass packer; 210-a bypass channel;
300-a bypass screen; 310-a bypass channel;
400-fill service tool; 410-a switch tool;
500-liquid-lock prevention sealing cylinder; 510-a first pressure transfer port; 520-a second pressure transfer port; 530-blocking piston; 540-pressure transmission channel;
600-a floating shoe;
700-a water control assembly; 701-a water control part; 710 a-sealing rod; 710 b-sealing rod; 710 c-sealing rod; 720-sealing member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1, 2 and 3, the present embodiment provides an ultra light particle horizontal well staged filling process tool, which comprises a filling tool 100, a plurality of bypass screens 300, and a bypass packer 200 connected between any two adjacent bypass screens 300, wherein the bypass screens 300 are hermetically connected with the bypass packer 200; the filling tool 100 is sealingly connected to the uppermost bypass screen 300.
In use, the bypass packer 200 is set to separate the well annuli into layers, and the packing tool 100 is used to discharge packing fluid into the uppermost annulus to fill the uppermost well annulus, and the packing fluid can pass through the bypass passage 210 of the bypass packer 200 to fill the next well annulus. When a sand bridge exists in the oil well annulus, the filling fluid can bypass the sand bridge from the bypass channel 310 of the bypass screen 300 to continue filling the oil well annulus, so that the filling operation is ensured to be normally carried out.
By connecting the bypass screen 300 and the bypass packer 200 together, the bypass channels of the two can be communicated, so that the filling fluid can pass through the sand bridge and the packer in the filling work, the multi-layer filling work is completed, and the adverse effect of the sand bridge on the filling effect can be reduced or even eliminated by the arrangement of the bypass screen 300.
It is noted that the well annulus is the annulus between the inner wall of the well and the bypass screen 300.
It should also be noted that the construction of the packing tool 100, bypass packer 200 and bypass screen 300 is the same as that used in the prior art oil recovery art and therefore will not be described in detail.
Referring to fig. 1, 2 and 5, in an alternative of the present embodiment, the ultra-light particle horizontal well staged packing process tool further comprises a packing service tool 400; a packing service tool 400 is located within the packing tool 100, and a switch tool 410 for setting the bypass packer 200 is provided on the packing service tool 400.
Specifically, the setting, filling, etc. of the filling tool 100 are completed by the filling service tool 400 cooperating with the filling tool 100. And after the filling service tool 400 completes the setting and seal checking work of the filling tool 100, the worker can throw balls into the filling service tool 400, and the filling service tool 400 can lift up, at this time, the switch tool 410 arranged on the outer wall of the filling service tool 400 can drive the sliding sleeve in the bypass packer 200, so that the setting injection port of the bypass packer 200 is smooth, and the bypass packer 200 can complete the setting work under the action of the liquid pressure.
It should be noted that the filling service tool 400 is a service tool in the oil well production field in the prior art, and the detailed structure is not described again, and a person skilled in the art may select different types of bypass packers 200 according to actual situations, set different switch tools 410 on the outer wall of the filling service tool 400, and open the setting injection ports of the bypass packers 200 when the filling service tool 400 is lifted up to enable the bypass packers 200 to be set.
Specifically, the switch tool 410 may be clamped to the outer wall of the filling service tool 400, may be screwed to the outer wall of the filling service tool 400, or may be bonded or welded to the outer wall of the filling service tool 400.
Referring to fig. 1 and 2, in an alternative embodiment, an anti-fluid lock sealing cylinder 500 is attached to the bottom of the lowermost bypass screen 300, and the anti-fluid lock sealing cylinder 500 can be sealingly attached to the filling service tool 400 during filling operations.
Specifically, when the filling service tool 400 is deep, the bottom of the filling service tool 400 will form a seal with the liquid-lock-proof sealing cylinder 500, and the filling fluid will not enter the screen tube, i.e., the filling fluid will not carry the filling material through the annular space between the filling service tool 400 and the liquid-lock-proof sealing cylinder 500 and enter the screen tube, and the filling fluid will not flow back (the annular space between the screen tube and the filling service tool 400 is communicated with the liquid-flow-back channel of the filling fluid).
Moreover, after the filling operation is completed, the worker needs to lift the filling service tool 400, but when the filling service tool 400 is lifted, a pressure difference is generated between the upper space and the lower space of the liquid-lock-proof sealing cylinder 500 (the space below the liquid-lock-proof sealing cylinder 500 is a sealing space, when the liquid-lock-proof sealing cylinder 500 is lifted, the volume of the sealing space is increased, so that the pressure of the sealing space is reduced, and the space above the liquid-lock-proof sealing cylinder 500 is communicated with the external atmospheric pressure, so that when the liquid-lock-proof sealing cylinder 500 is lifted, a pressure difference is generated between the upper space and the lower space of the liquid-lock-proof sealing cylinder 500), and the pressure difference can be eliminated by communicating the upper space and the lower space of the liquid-lock-proof sealing cylinder 500 with each other.
It should be noted that the structure of the anti-liquid-lock sealing cylinder 500 is the same as that of the anti-liquid-lock sealing cylinder in oil well exploitation in the prior art, and the detailed structure is not described again.
Referring to fig. 1, 2 and 3, in an alternative embodiment, a float shoe 600 for preventing sand filled in the oil well annulus from entering the oil pipe is connected to the bottom of the liquid-lock prevention sealing cylinder 500.
Specifically, the float shoe 600 can prevent the sand pack between the screen and the inner wall of the well from entering the screen.
It should be noted that the structure of the float shoe 600 is the same as that of the prior art float shoe for oil well exploitation, and the detailed structure is not described again.
Referring to FIG. 1, in an alternative to this embodiment, the bypass passage 210 of the bypass packer 200 communicates with the bypass passage 310 of the bypass screen 300.
Specifically, during the filling operation, the filling fluid can enter the bypass passage 310 of the bypass screen 300 and then flow down along the bypass passage 310 of the bypass screen 300, the filling fluid can bypass the sand bridge plugged outside the bypass screen 300 from the bypass passage 310, and then the filling fluid can flow into the annular space between the bypass screen 300 and the inner wall of the oil well and can also flow into the bypass passage 210 of the bypass packer 200, so that the filling operation is continued downwards through the bypass packer 200.
In an alternative to this embodiment, the filling tool 100 is externally sleeved with an anchor.
Specifically, the filling tool 100 can be anchored in the oil well by the anchor, and the situation that the filling tool 100 slips down is avoided.
Referring to fig. 4, the present embodiment provides a staged water control process tool, including a water control assembly 700 and an ultra-light particle horizontal well staged packing process tool; the water control assembly 700 is located within the ultra-light particle horizontal well staged packing process tool.
The water control assembly 700 is inserted into the ultra-light particle horizontal well sectional filling process tool, and the water control assembly 700 can be sealed with the bypass packer 200 and the liquid-lock prevention sealing barrel 500 in the ultra-light particle horizontal well sectional filling process tool, so that layered water control is realized.
Referring to fig. 4 and 6, in an alternative of the present embodiment, the water control assembly 700 includes a plurality of sets of water control units, and any two adjacent sets of water control units are connected by a sealing rod; a sealing rod 710a located within the bypass packer 200 can be sealingly connected to the bypass packer 200 and a sealing rod 710b located within the anti-hydrosol sealing cartridge 500 can be sealingly connected to the anti-hydrosol sealing cartridge 500.
Moisture in the oil of exploitation can be screened out through multiunit accuse water unit, the oil water content of very big reduction exploitation.
It should be noted that the sealing rod is a hollow pipe, the outer wall of the sealing rod is provided with a sealing member 720, and the sealing rod can be connected with other pipes in a sealing manner through hydraulic control.
It should be noted that the water control assembly 700 can be conveniently replaced in the later period through the liquid-lock prevention sealing barrel 500, and the pressure difference between the upper part and the lower part of the sealing rod 710b can be conveniently eliminated through the liquid-lock prevention sealing barrel 500, so that the water control assembly 700 can be conveniently lifted by a worker.
In the alternative of this embodiment, each group of water control units all includes a plurality of water control parts 701, and a plurality of water control parts 701 pass through oil pipe and establish ties in proper order, and water control parts 701 can be connected with the sealing rod.
Wherein, the water control unit comprises a plurality of water control parts 701, and different types of water control parts 701 can be selected according to different layer conditions.
Specifically, multiple sets of water control units are connected by sealing rods, and after the water control assembly 700 is inserted into the ultra-light particle horizontal well staged filling process tool, the sealing rod 710c can be sealed with the filling tool 100, the sealing rod 710a can be sealed with the bypass packer 200, and the sealing rod 710b can be sealed with the anti-liquid-lock sealing cylinder 500.
In an alternative of this embodiment, the water control component employs an oil production flow controller.
Specifically, the water control part can adopt the oil production flow controller in the prior art, and the bypass sieve tube 300 is arranged outside the oil production flow controller, so that when the oil production flow controller is damaged, a worker can conveniently lift the oil production flow controller, and the fishing work in the prior art is not needed.
The method has the advantages that when filling is carried out, the filling sand can adopt ultra-light particles, wherein the ultra-light particles are low in apparent density and slow in settling velocity, and risks of sand blockage, pipe column blocking and the like caused by high settling velocity of the propping agent can be reduced; because the apparent density of the ultra-light particles is low, the sand-carrying work can be finished by adopting 2-3 cp (centipoise) slick water or active water, and the conventional liquid preparation process is omitted; meanwhile, the roundness of the ultralight particles is high, so that the abrasion of oil pipes or ground equipment can be reduced in the pumping process, and the construction risk is reduced.
For example, the ultra-light weight particles have a specific gravity of 1.05g/cm3, and ceramic particles or gravel may be used.
Wherein, the water control assembly 700 is put in after the filling service tool 400 is taken out, the water control assembly 700 can replace the water control unit according to the construction requirement, and the water control mode can be an adjustable water control mode or an adaptive flow control mode. The water control adjusting mode is convenient to replace in the later stage according to production needs.
It should be noted that, as shown in fig. 7, which is a schematic structural diagram of the sealing rod, after the sealing rod is lowered, the sealing rod forms a seal with another pipe body through the sealing member 720 on the outer wall.
It should be noted that, as shown in fig. 8, which is a schematic structural diagram of the anti-liquid-lock sealing cylinder 500, after the anti-liquid-lock sealing cylinder 500 is connected with the filling service tool 400 or the sealing rod in a sealing manner, the interior of the anti-liquid-lock sealing cylinder 500 is sealed and blocked, and a water flow cannot pass through the anti-liquid-lock sealing cylinder, when the filling service tool 400 or the sealing rod needs to be pulled out, the water pressure at the upper portion of the anti-liquid-lock sealing cylinder is greater than the water pressure at the lower portion of the anti-liquid-lock sealing cylinder when the anti-liquid-lock sealing cylinder is pulled out, and at this time, the water flow flows into the pressure transfer passage 540 from the first pressure transfer hole 510 and pushes the blocking piston 530 to move down, so that the pressure transfer passage 540 is unblocked, and the first pressure transfer hole 510 can communicate with the second pressure transfer hole 520 through the pressure transfer passage 540, thereby eliminating the pressure difference between.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides an ultralight granule horizontal well segmentation packing technology instrument which characterized in that includes: a filling tool (100), a plurality of bypass screen pipes (300) and a bypass packer (200) connected between any two adjacent bypass screen pipes (300), wherein the bypass screen pipes (300) are connected with the bypass packer (200) in a sealing way;
the filling tool (100) is connected with the bypass screen (300) at the top in a sealing way.
2. The ultra light weight granular horizontal well staged packing process tool according to claim 1, further comprising a packing service tool (400);
the filling service tool (400) is positioned in the filling tool (100), and a switch tool (410) for setting the bypass packer (200) is arranged on the filling service tool (400).
3. The tool of claim 2, wherein the bottom of the bypass screen pipe (300) at the lowest position is connected with a liquid-lock-proof sealing cylinder (500), and the liquid-lock-proof sealing cylinder (500) can be connected with the filling service tool (400) in a sealing mode during filling operation.
4. The tool for the sectional filling process of the ultra-light particle horizontal well is characterized in that a floating shoe (600) for preventing sand filled in an oil well annulus from entering the oil pipe is connected to the bottom of the liquid-lock-preventing sealing cylinder (500).
5. The ultra light particle horizontal well staged packing process tool of claim 1, wherein the bypass passage (210) of the bypass packer (200) is in communication with the bypass passage (310) of the bypass screen (300).
6. The ultra light particle horizontal well staged filling process tool according to any one of claims 1 to 5, wherein an anchor is sleeved on the outer wall of the filling tool (100).
7. A staged water control process tool, comprising a water control assembly (700) and the ultra light particle horizontal well staged pack process tool according to any of claims 1-6;
the water control assembly (700) is positioned in the ultra-light particle horizontal well sectional filling process tool.
8. The segmented water control process tool according to claim 7, wherein the water control assembly (700) comprises a plurality of sets of water control units, any two adjacent sets of the water control units being connected by a sealing rod;
and the sealing rod positioned in the bypass packer (200) can be in sealing connection with the bypass packer (200), and the sealing rod positioned in the liquid lock prevention sealing barrel (500) of the ultra-light particle horizontal well segmented filling process tool can be in sealing connection with the liquid lock prevention sealing barrel (500).
9. The segmented water control process tool according to claim 8, wherein each group of water control units comprises a plurality of water control parts (701), the plurality of water control parts (701) are connected in series through oil pipes, and the water control parts (701) can be connected with the sealing rods.
10. The staged water control process tool according to claim 9, wherein the water control component (701) employs an oil recovery flow controller.
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| CN201921675844.0U CN210738529U (en) | 2019-09-30 | 2019-09-30 | Ultra-light particle horizontal well sectional filling process tool and sectional water control process tool |
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| CN201921675844.0U CN210738529U (en) | 2019-09-30 | 2019-09-30 | Ultra-light particle horizontal well sectional filling process tool and sectional water control process tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552667A (en) * | 2019-09-30 | 2019-12-10 | 东营市瑞丰石油技术发展有限责任公司 | Layered filling pipe column, layered water control pipe column and layered filling layered water control process |
| CN113236182A (en) * | 2021-06-28 | 2021-08-10 | 安东柏林石油科技（北京）有限公司 | Resistance increasing device and well completion structure for improving axial packing effect of continuous packing body along shaft |
| CN117722154A (en) * | 2024-02-18 | 2024-03-19 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
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2019
- 2019-09-30 CN CN201921675844.0U patent/CN210738529U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552667A (en) * | 2019-09-30 | 2019-12-10 | 东营市瑞丰石油技术发展有限责任公司 | Layered filling pipe column, layered water control pipe column and layered filling layered water control process |
| CN110552667B (en) * | 2019-09-30 | 2024-04-19 | 东营市瑞丰石油技术发展有限责任公司 | Layered filling pipe column, layered water control pipe column and layered filling and layered water control process |
| CN113236182A (en) * | 2021-06-28 | 2021-08-10 | 安东柏林石油科技（北京）有限公司 | Resistance increasing device and well completion structure for improving axial packing effect of continuous packing body along shaft |
| CN117722154A (en) * | 2024-02-18 | 2024-03-19 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
| CN117722154B (en) * | 2024-02-18 | 2024-04-16 | 东营市瑞丰石油技术发展有限责任公司 | Bypass open hole packer for horizontal well sub-bin filling |
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