CN212249927U - Casing driving spear, tool system, faucet system and downhole tubular column combination thereof - Google Patents

Abstract

The utility model relates to a casing driving spear, which comprises a milling barrel and a milling shoe; the milling shoe is positioned below the milling barrel and connected with the milling shoe, and a slip, a mandrel, a sealing leather cup and a centralizer are arranged in the milling barrel; the mandrel is positioned below the slips and connected with the slips, a sealing leather cup is sleeved on the outer surface of the mandrel, the sealing leather cup is in sealing contact with the inner surface of the milling barrel and seals the inner cavity of the milling barrel, and a centralizer is sleeved on the lower portion of the mandrel; a power tap sleeve milling, taking and replacing tool system further comprises a lifting ring, a gooseneck tube, a washing tube assembly, a speed reducer, a hydraulic motor, a main shaft, a torque arm and a guy rope; a gooseneck is connected below the lifting ring; a washing pipe assembly is connected below the gooseneck; a speed reducer is connected below the washing pipe assembly; a hydraulic motor is connected below the speed reducer; the hydraulic motor is connected with a main shaft. In the process of milling, in order to avoid damaging the milling barrel, a centralizer is additionally connected to the mandrel so as to ensure that the milling shoe works stably.

Description

Casing driving spear, tool system, faucet system and downhole tubular column combination thereof

Technical Field

The utility model relates to an oil field oil well, oil field water well, geothermol power well casing pipe cover mill and get new technology, new instrument field, in particular to casing drive lance and instrument system and tap system and the combination of tubular column of going into the well.

Background

Along with the later stage of exploitation and development of oil fields and oil-water wells, a plurality of old oil-water wells have no exploitation value, and in consideration of environmental protection and underground space utilization, a plurality of oil-water wells need to be subjected to well sealing operation, surface layer casings are taken out, and a plurality of oil-water well casings are damaged and need to be subjected to casing taking and casing changing operation. However, the well site conditions of large-scale sleeve taking and replacing equipment cannot be met due to the fact that the well site and roads are increasingly narrow, and time, cost and labor are wasted if the problem of coordination of workers and farmers is involved in land acquisition and road repair, so that the wells cannot be plugged in time, and the normal well plugging order and the sleeve taking and replacing effect of the oil field are seriously affected.

In order to solve the above problems, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve pipe drive lance.

In order to realize the purposes, the following technical scheme is adopted:

the sleeve driving spear comprises a milling barrel and a milling shoe; the milling shoe is positioned below the milling barrel and connected with the milling shoe, and a slip, a mandrel, a sealing leather cup and a centralizer are arranged in the milling barrel; the mandrel is positioned below the slips and connected with the slips, a sealing leather cup is sleeved on the outer surface of the mandrel, the sealing leather cup is in sealing contact with the inner surface of the milling barrel and seals the inner cavity of the milling barrel, and a centralizer is sleeved on the lower portion of the mandrel; the outer wall of the slip is in spiral connection with the inner wall of the milling barrel, and the slip rotates to drive the milling barrel to rotate. The centralizer can transmit torque in a balanced manner, and eccentric wear phenomenon is avoided when the sleeve milling drum mills the cement sheath.

The utility model also provides a tool system, including foretell sleeve pipe drive lance.

Furthermore, the tool system also comprises a lifting ring, a gooseneck, a washing pipe assembly, a speed reducer, a hydraulic motor, a main shaft, a torque arm and a guy rope; a gooseneck is connected below the lifting ring; a washing pipe assembly is connected below the gooseneck; a speed reducer is connected below the washing pipe assembly; a hydraulic motor is connected below the speed reducer; the hydraulic motor is connected with a main shaft.

Furthermore, one side of the speed reducer is connected with a torque arm, and one section of the torque arm is connected with a guy rope.

The utility model also provides a tap system, include tool system.

The utility model also provides a tubular column combination of going into the well, include from bottom to top combination: the milling device comprises a milling shoe, a milling barrel, a sleeve driving spear, a power tap and a hook.

The beneficial technical effects are as follows:

1. in the process of milling, in order to avoid damaging the milling barrel, a centralizer is additionally connected to the mandrel so as to ensure that the milling shoe works stably.

2. The small repair equipment is used for operating and matching with advanced technologies such as a special power faucet, a large-force blockage relieving system, milling and grinding, the sleeve taking and replacing, the forging and milling of an oil layer sleeve and the blockage relieving and fishing construction operation of an oil-water well are completed, and the drilling and repairing capacity of a small repair team is greatly improved; the technology has the characteristics of less construction occupied area, simple process, convenient construction, low cost and the like; the tool is a leading technology at home and abroad, has multiple successful operation experiences in the past, is an operation scheme for symptomatic medicine administration and medicine arrival disease elimination, can successfully solve the difficult problem of overhaul operation of a complex well with a well site limited, and obtains better economic benefit and social benefit.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 structural view of the casing driving spear of the present invention.

Fig. 2 is the whole connection schematic diagram of the sleeve driving spear of the present invention.

Reference numerals:

the device comprises a lifting ring 1, a gooseneck 2, a washpipe assembly 3, a speed reducer 4, a hydraulic motor 5, a main shaft 6, a torque arm 7, a guy rope 8, a slip 9, a mandrel 10, a sealing leather cup 11, a centralizer 12, a milling barrel 13 and milling shoes 14.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The present invention will be described in detail below by way of examples.

Referring to fig. 1 and 2, the casing driving spear includes a milling barrel 13 and a milling shoe 14; the milling shoe 14 is positioned below the milling barrel 13 and connected with the milling shoe 14, and a slip 9, a mandrel 10, a sealing cup 11 and a centralizer 12 are arranged in the milling barrel 13; the mandrel 10 is located below the slips 9 and connected with the slips 9, a sealing leather cup 11 is sleeved on the outer surface of the mandrel 10, the sealing leather cup 11 is in sealing contact with the inner surface of a milling barrel 13 and seals the inner cavity of the milling barrel 13, and a centralizer 12 is sleeved on the lower portion of the mandrel 10. In the process of milling, in order to prevent the milling sleeve 13 from being damaged, a centralizer with a certain length is additionally connected to the mandrel 10 to ensure that the milling shoe 14 works stably. The outer wall of the slip 9 is in spiral connection with the inner wall of the milling barrel 13, and the slip 9 rotates to drive the milling barrel 13 to rotate.

A power tap bushing milling, bushing taking and bushing changing tool system comprises the bushing driving spear.

The power faucet sleeve milling, taking and replacing tool system further comprises a lifting ring 1, a gooseneck pipe 2, a washing pipe assembly 3, a speed reducer 4, a hydraulic motor 5, a main shaft 6, a torque arm 7 and a guy rope 8; a gooseneck 2 is connected below the lifting ring 1; a washing pipe assembly 3 is connected below the gooseneck 2; a speed reducer 4 is connected below the washing pipe assembly 3; a hydraulic motor 5 is connected below the speed reducer 4; the hydraulic motor 5 is connected with a main shaft 6.

Further, one side of the speed reducer 4 is connected with a torque arm 7, and one section of the torque arm 7 is connected with a guy rope 8.

A power faucet drilling and repairing system is hung on a rack for minor repair operation of an oil well and a water well, and comprises a power faucet sleeve milling, sleeve taking and sleeve replacing tool system.

During the use, the hook connection power tap bail of workover rig, power tap is perforated by the torque arm that wire rope guyed passed power tap, and power tap lower clutch spindle connects the casing drive lance and connects the slips, and the casing drive lance is connected with the cover and mills a section of thick bamboo, provides rotary power by power tap, and it is rotatory to mill a section of thick bamboo and cover milling shoes through the casing drive lance drive cover, and the cover mills oil water well casing outer annular space, and the hook is transferred to well workover rig uniform velocity during the cover mills and is bored, reaches the purpose of getting the cover and changing the cover.

A power faucet drilling and repairing power faucet system is hung on a rack for minor repair operation of an oil well and a water well, the power faucet drilling and repairing system is fixed through a guy rope, a milling barrel driving spear is connected to the lower portion of the drilling and repairing power faucet system, and the milling barrel driving spear drives a milling barrel and a milling shoe to rotate.

The small repair equipment is used for operating and matching with advanced technologies such as a special power faucet, a powerful jam releasing system, milling and grinding, the construction operations of sleeve taking and sleeve changing of an oil-water well, forging and milling of an oil layer sleeve and jam releasing and fishing are completed, and the drilling and repairing capacity of a small repair team is greatly improved. The technology has the characteristics of small occupied area for construction, simple process, convenient construction, low cost and the like. The process is a leading technology at home and abroad, has multiple successful operation experiences in the past, is an operation scheme for symptomatic medicine administration and drug administration and disease elimination, can successfully solve the major repair operation problem of a complex well with a limited well site, and obtains better economic and social benefits.

The utility model also provides a tubular column combination of going into well, include from bottom to top combination: the milling device comprises a milling shoe, a milling barrel, a sleeve driving spear, a power tap and a hook.

The utility model discloses power tap connects a cover and mills a section of thick bamboo drive lance and provide rotary power, and the cover mills a withstand voltage leather cup on the section of thick bamboo and seals a cover and mill a section of thick bamboo inner chamber to establish circulation channel, the slips is grabbed the cover and is milled a section of thick bamboo inner wall, and transmits rotary power.

Use the utility model discloses the technique is in the wild goose 9-30 wells in the wild goose feather worker area of north China oil field oil production factory, has successfully accomplished the shut-in well operation construction of this well, and this well site is water all around in the white ocean lake, and the well site is narrow little, and large-scale shut-in well equipment is gone up to repair and need enlarge the well site more than four times, adds soil and makes the twelve acres, and engineering cost exceeds last ten million yuan, and the operation time limit is more than three months to there is the hidden danger in the aspect of safety and the environmental protection.

Use the utility model discloses the technology is accomplished smoothly in forty days, does not enlarge the well site, and engineering cost is at three hundred twenty ten thousand yuan, does not cause any influence to the ecological environment of bayangtui, has saved eighty hundred more ten thousand's investment for the first side.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The casing driving spear is characterized by comprising a milling barrel (13) and a milling shoe (14); the milling shoe (14) is positioned below the milling barrel (13) and connected with the milling shoe (14), and a slip (9), a mandrel (10), a sealing leather cup (11) and a centralizer (12) are arranged in the milling barrel (13); the mandrel (10) is positioned below the slips (9) and connected with the slips (9), a sealing leather cup (11) is sleeved on the outer surface of the mandrel (10), the sealing leather cup (11) is in sealing contact with the inner surface of the milling barrel (13) and seals the inner cavity of the milling barrel (13), and a centralizer (12) is sleeved on the lower portion of the mandrel (10); the outer wall of the slip (9) is in spiral connection with the inner wall of the milling barrel (13), and the slip (9) rotates to drive the milling barrel (13) to rotate.

2. A tool system comprising the cannula drive spear of claim 1.

3. The tool system of claim 2, further comprising a lifting ring (1), a gooseneck (2), a washpipe assembly (3), a reducer (4), a hydraulic motor (5), a main shaft (6), a torque arm (7), and a guy rope (8); a gooseneck (2) is connected below the lifting ring (1); a washing pipe assembly (3) is connected below the gooseneck (2); a speed reducer (4) is connected below the washing pipe assembly (3); a hydraulic motor (5) is connected below the speed reducer (4); the hydraulic motor (5) is connected with a main shaft (6); the main shaft (6) is connected with slips (9).

4. A tool system according to claim 3, characterized in that a torque arm (7) is connected to one side of the speed reducer (4), and a guy rope (8) is connected to one end of the torque arm (7).

5. A faucet system, comprising the tool system of claim 2.

6. The tubular column combination that goes into the well, its characterized in that includes the combination from bottom to top: a milling shoe, a milling barrel, the quill drive spear of claim 1, a power tap and a hook.

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