CN105114058A - Fixing device used for installing well-drilling testing equipment on inner pipe wall of drill rod - Google Patents
Fixing device used for installing well-drilling testing equipment on inner pipe wall of drill rod Download PDFInfo
- Publication number
- CN105114058A CN105114058A CN201510591515.8A CN201510591515A CN105114058A CN 105114058 A CN105114058 A CN 105114058A CN 201510591515 A CN201510591515 A CN 201510591515A CN 105114058 A CN105114058 A CN 105114058A
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- China
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- central tube
- testing equipment
- fastening devices
- drilling rod
- thread bush
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Abstract
The invention discloses a fixing device used for installing well-drilling testing equipment on the inner pipe wall of a drill rod. The fixing device is mainly composed of a center tube (2), a supporting ring (3), a rubber ring (4), a clamping claw assembling unit (5) and a grooved threaded sleeve (6). An inner hole of the center tube is a channel for drilling gas, the clamping claw assembling unit (5) is arranged outside the center tube, the rubber ring (4) and the supporting ring (3) are distributed at the two ends of the clamping claw assembling unit, a saw-tooth-shaped thread is arranged on the outer cylindrical face of the upper portion of the center tube and meshed with the grooved threaded sleeve (6), and two or more lifting lugs are arranged on the inner cylindrical face of a flange plate on the lower portion of the center tube and used for installing the testing equipment (1). A through groove is axially formed in the cylindrical face of the grooved threaded sleeve (6), a saw-tooth-shaped threads meshed with the center tube is arranged inside the inner hole, and multiple tooth grooves are distributed evenly in the circumference of the upper portion of the grooved threaded sleeve to facilitate detaching. The principle is reliable, and the fixing device is simple in structure and convenient to operate, overcomes defects in the prior art and has broad market prospects.
Description
Technical field
The present invention relates in the gas drilling technique of oil-gas mining field, a kind of fastening devices for well logging equipment being arranged on drilling rod inner tubal wall.
Background technology
In gas drilling construction, in order to monitor underground work situation in recovery process, from shaft bottom to ground, need installation testing equipment collection signal every a segment distance, testing equipment has relay function, collection signal can be transported to ground receiving equipment step by step.
At present, testing equipment is installed in tool joint place, is placed in the small space of male top end face and female inner face, is to lean on the sealing surface between the screw thread of tool joint place and drilling rod to fix.This fixing means has following problems:
(1) in drilling process, the drill string reaching km is that the drilling rod being 9 meters by every root length is formed by connecting section by section.In order to ensure that the work of creeping into is carried out continuously, reliably, the quality of connection of tool joint is very crucial.Tool joint thread is processed by special equipment, and precision is higher.And requiring solid and reliable after joint connection, sealing will be got well, and on such guarantee, the drill string of km does not break down in drilling process.Because the transmission equipment of test will utilize the screw thread of tool joint and sealing surface to be fixed, the connection reliability of drilling rod and sealing are affected.Therefore, installation testing equipment in this way is usually refused by onsite application unit, makes test job be difficult to carry out.
(2) because drilling rod specifications and models are different, just do not have the space of fixing test equipment component between a lot of tool joint male top end face and female inner face at all, testing equipment cannot be installed, drilling well monitoring also just cannot be carried out.
In gas drilling construction, also there is no more reliable, practicable method at present.
Summary of the invention
The object of the present invention is to provide a kind of fastening devices for well logging equipment being arranged on drilling rod inner tubal wall, this principle of device is reliable, and structure is simple, and convenient operation, overcomes shortcomings and deficiencies of the prior art, has wide market prospects.
In order to reach above technical purpose, the invention provides following technical scheme.
Testing equipment is connected on the securing means by the present invention, forms an assembly, then fastening devices is arranged on the inner tubal wall of tool joint bottom, does not use tool joint to fix testing equipment, and the connection of tool joint is not affected.
A kind of fastening devices for well logging equipment being arranged on drilling rod inner tubal wall, primarily of central tube, support ring, rubber ring, dog group component and fluting thread bush composition, during installation, hydraulic jack or screw mechanism load rapidly, extruding rubber ring and claw, and on the tube wall that dog group component is anchored in drilling rod securely, testing equipment is arranged in the interior pipe of drilling rod.
After loading terminates, the retaining mechanism constituted jointly by central tube and fluting thread bush keeps continuing to exert pressure to rubber ring, and dog group component is anchored on drilling rod inner tubal wall can not get loose.
Remove the extruding to rubber ring and claw with dismantling spanner during dismounting, claw is got loose from drilling rod inner tubal wall, conveniently can pull down the testing equipment of installation.
Compared with prior art, the present invention has following beneficial effect:
(1) installation and removal of testing equipment are easy to operate, quick, do not affect the connection of drilling rod;
(2) testing equipment is solid and reliable, and can ensure that test job is normally carried out.
Accompanying drawing explanation
Fig. 1 is that the present invention is for being arranged on the structural representation of the fastening devices of drilling rod inner tubal wall by well logging equipment.
Fig. 2 is the structural representation of fastening devices central tube.
Fig. 3 is the structural representation of fastening devices dog group component.
Fig. 4 is the structural representation of fastening devices fluting thread bush.
Fig. 5 is that oil cylinder loads, and rubber ring extrusion makes fastening devices be anchored on schematic diagram on drilling rod inner tubal wall.
Fig. 6 is after testing equipment installation, and testing arrangement is fixed on the schematic diagram in drilling rod in pipe.
Fig. 7 loads with screw mechanism, and fastening devices is anchored on the schematic diagram on drilling rod inner tubal wall.
Fig. 8 to loosen fastening devices and dismounting testing equipment schematic diagram with dedicated wrench for disassembling.
In figure: 1 is testing equipment, 2 is central tubes, and 3 is support rings, and 4 is rubber rings, 5 is dog group components, and 6 is fluting thread bushs, and 7 is tool joint boxs, and 8 is oil cylinder bracing frames, 9 is hydraulic cylinders, and 10 is fillet of tool joint pins, and 11 is screw mechanisms, and 12 is dedicated wrench for disassemblings.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8.
A kind of fastening devices for well logging equipment being arranged on drilling rod inner tubal wall, form primarily of central tube 2, support ring 3, rubber ring 4, dog group component 5 and fluting thread bush 6, the endoporus of described central tube is the passage of drilling well gas, there is dog group component 5 outside of central tube, described dog group component 5 two ends distribution rubber circle 4 and support ring 3, the external cylindrical surface on described central tube top there is saw-tooth thread, engage with fluting thread bush 6, the flange inner cylinder face of central tube bottom there is two or more hanger, for installation testing equipment 1; Described dog group component 5 is made up of the claw that three plate shapes are identical, and three claws are circumferentially uniformly distributed by 120 °; Described fluting thread bush 6 has a groove vertically on cylinder, and endoporus has the saw-tooth thread be meshed with central tube, and the top of fluting thread bush is circumferentially uniformly distributed multiple teeth groove, for convenience detach.This thread bush has good elasticity, can open when stressed effect, and power can be closed up rapidly after eliminating.
Testing equipment 1, by hydraulic cylinder 9 or screw mechanism 11, is arranged on drilling rod inner tubal wall by described fastening devices.
Described fastening devices with dedicated wrench for disassembling 12, the double wedge that the bottom of this spanner matches with the teeth groove with fluting thread bush 6.
Utilize hydraulic cylinder installation testing equipment, the fastening principle of fastening devices of the present invention is as follows:
1, before testing equipment is installed to drill pipe bore, testing equipment, fastening devices and hydraulic cylinder 9 is connected and composed an assembly (referring to Fig. 5) by oil cylinder bracing frame 8.
2, testing equipment, fastening devices and hydraulic jack assembly are placed in tool joint box 7, during installation, oil cylinder bracing frame 8 lower surface are mated with the step of tool joint box 7.
3, under oil cylinder, oil-in pumps into hydraulic oil, and promotion oil cylinder piston and piston rod move upward, and piston rod drags again central tube and moves on 2.Central tube 2 moves up and drives all component (testing equipment 1, support ring 3, rubber ring 4, dog group component 5, fluting thread bush 6) be arranged on above it to move upward together.But fluting thread bush 6 upper end blocked by oil cylinder bracing frame 8, can not on move.Therefore, fluting thread bush 6 by spreading, causes departing from the screw thread between fluting thread bush 6 of central tube 2 to engage, makes central tube 2 can continue to move upward under the effect of central tube 2 saw-tooth thread inclined-plane thrust.
Due to central tube 2 moving, and thread bush 6 of slotting is limited cannot move, and therefore, part support ring 3, rubber ring 4 and the dog group component 5 be assemblied between central tube 2 flange top and fluting thread bush 6 bottom all receives the extruding of upper and lower active force.Elastomeric material has mobility, be arranged on the rubber ring 4 of dog group component about 5 respectively, squeezed gap of compressing between dog group component 5 and central tube 2 assembling, squeezing action power is also transmitted on every sheet claw of dog group component 5 by rubber ring 4, and extruding claw is anchored on the inwall in drilling rod hole.While rubber ring extrusion, gather a large amount of energy.
Stop when hydraulic cylinder loads, when piston stops moving up, fluting thread bush 6 draws in rapidly under the effect of elastic force, and the box thread on it recovers to engage with the male thread of central tube 2, makes central tube 2 remain on new position transfixion.Central tube 2 remains rubber ring 4 after moving to new position, dog group component 5 is squeezed state, therefore, the extruding force that the strain energy of distortion gathered in rubber ring produces still acts on dog group component 5, and claw is tightly anchored on the inwall in drilling rod hole all the time.
4, after the fitting operation of testing equipment completes, pull down hydraulic cylinder 9 and oil cylinder bracing frame 8, the connection of drilling rod can be carried out.
Fig. 6 is that after drilling rod connects, testing equipment is assembled in the situation in drilling rod.In Fig. 6,7 is tool joint boxs, and 10 is fillet of tool joint pins.From this figure, testing equipment can not make the connection of drilling rod receive any impact after installing.
In addition, screw mechanism 11 pairs of testing equipments also can be utilized to install (see Fig. 7), and the principle of installation is identical with the principle of installing with hydraulic cylinder.
Loosening of fastening devices of the present invention is as follows with the quick-detachment operation of testing equipment:
Testing equipment along with drilling rod trip-out and dismounting carry out simultaneously.Fig. 8 is shown in the operation of fastening devices of loosening.During dismounting, make the double wedge of dedicated wrench for disassembling 12 chimeric with the teeth groove of fluting thread bush 6, move special spanner 12 and to loosen thread bush 6, the part such as rubber ring 4, dog group component 5 is removed and extrudes.Rubber ring 4 recovers original shape under flexible effect, removes the active force to dog group component 5, and dog group component 5 unclamps from the drill pipe bore wall of grappling, and a whole set of testing arrangement can take out smoothly in drilling rod.
Claims (3)
1. one kind for being arranged on the fastening devices of drilling rod inner tubal wall by well logging equipment, primarily of central tube (2), support ring (3), rubber ring (4), dog group component (5) and fluting thread bush (6) composition, it is characterized in that, the endoporus of described central tube is the passage of drilling well gas, there is dog group component (5) outside of central tube, described dog group component two ends distribution rubber circle (4) and support ring (3), the external cylindrical surface on described central tube top there is saw-tooth thread, engage with fluting thread bush (6), the flange inner cylinder face of central tube bottom there is two or more hanger, for installation testing equipment (1), described dog group component (5) is made up of the claw that three plate shapes are identical, and three claws are circumferentially uniformly distributed by 120 °, described fluting thread bush (6) has a groove vertically on cylinder, and endoporus has the saw-tooth thread be meshed with central tube, and the top of fluting thread bush is circumferentially uniformly distributed multiple teeth groove.
2. as claimed in claim 1 for well logging equipment being arranged on the fastening devices of drilling rod inner tubal wall, it is characterized in that, testing equipment (1), by hydraulic cylinder (9) or screw mechanism (11), is arranged on drilling rod inner tubal wall by described fastening devices.
3. as claimed in claim 1 for well logging equipment being arranged on the fastening devices of drilling rod inner tubal wall, it is characterized in that, described fastening devices with dedicated wrench for disassembling (12), the double wedge that the bottom of this spanner matches with the teeth groove with fluting thread bush (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591515.8A CN105114058B (en) | 2015-09-16 | 2015-09-16 | A kind of fixing device for being used to for well logging equipment to be arranged on drilling rod inner tubal wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591515.8A CN105114058B (en) | 2015-09-16 | 2015-09-16 | A kind of fixing device for being used to for well logging equipment to be arranged on drilling rod inner tubal wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114058A true CN105114058A (en) | 2015-12-02 |
| CN105114058B CN105114058B (en) | 2017-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510591515.8A Expired - Fee Related CN105114058B (en) | 2015-09-16 | 2015-09-16 | A kind of fixing device for being used to for well logging equipment to be arranged on drilling rod inner tubal wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114058B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155983A (en) * | 2020-01-19 | 2020-05-15 | 湖南科技大学 | Hollow inclusion strain gauge mounting device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998054438A1 (en) * | 1997-05-27 | 1998-12-03 | Pegasus Drilling Technologies, L.L.C. | Bottomhole assembly orienting sub |
| CN1580488A (en) * | 2003-08-07 | 2005-02-16 | 施卢默格海外有限公司 | Retrievable subsurface nuclear logging system |
| CN101910555A (en) * | 2007-12-10 | 2010-12-08 | 艾尼股份公司 | Casing expanding tool |
| CN102264996A (en) * | 2008-12-24 | 2011-11-30 | 国际壳牌研究有限公司 | Expanding a tubular element in a wellbore |
| CN204552740U (en) * | 2015-02-11 | 2015-08-12 | 中石化石油工程技术服务有限公司 | Wireless drilling inclinometers device underground fishing releasing device |
| CN204984398U (en) * | 2015-09-16 | 2016-01-20 | 西南石油大学 | A fixing device for inciting somebody to action well drilling test equipment installs pipe wall in drilling rod |
-
2015
- 2015-09-16 CN CN201510591515.8A patent/CN105114058B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998054438A1 (en) * | 1997-05-27 | 1998-12-03 | Pegasus Drilling Technologies, L.L.C. | Bottomhole assembly orienting sub |
| CN1580488A (en) * | 2003-08-07 | 2005-02-16 | 施卢默格海外有限公司 | Retrievable subsurface nuclear logging system |
| CN101910555A (en) * | 2007-12-10 | 2010-12-08 | 艾尼股份公司 | Casing expanding tool |
| CN102264996A (en) * | 2008-12-24 | 2011-11-30 | 国际壳牌研究有限公司 | Expanding a tubular element in a wellbore |
| CN204552740U (en) * | 2015-02-11 | 2015-08-12 | 中石化石油工程技术服务有限公司 | Wireless drilling inclinometers device underground fishing releasing device |
| CN204984398U (en) * | 2015-09-16 | 2016-01-20 | 西南石油大学 | A fixing device for inciting somebody to action well drilling test equipment installs pipe wall in drilling rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155983A (en) * | 2020-01-19 | 2020-05-15 | 湖南科技大学 | Hollow inclusion strain gauge mounting device and method |
| CN111155983B (en) * | 2020-01-19 | 2024-04-19 | 湖南科技大学 | Device and method for installing strain gauge of hollow bag body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114058B (en) | 2017-12-29 |
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Granted publication date: 20171229 Termination date: 20180916 |