CN102102496B - Fish milling experiment clamping and centralizing device in oilfield operation - Google Patents
Fish milling experiment clamping and centralizing device in oilfield operation Download PDFInfo
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- CN102102496B CN102102496B CN 201010608195 CN201010608195A CN102102496B CN 102102496 B CN102102496 B CN 102102496B CN 201010608195 CN201010608195 CN 201010608195 CN 201010608195 A CN201010608195 A CN 201010608195A CN 102102496 B CN102102496 B CN 102102496B
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Abstract
The invention relates to a fish milling experiment clamping and centralizing device in oilfield operation. The device comprises a bottom workbench, a drill rod centralizing mechanism is fixedly arranged right above the bottom workbench through four positioning supporting rods distributed uniformly on the periphery, a fish position adjusting mechanism is arranged on the upper surface of the bottom workbench, and a fish clamping mechanism is arranged on the fish position adjusting mechanism. The device is used for fish multi-point milling experiments, and can reliably centralize a rotary drill column and ensure the drillability of the drill column; and the device can effectively clamp fishes of different shapes and postures, and can realize position adjustment of the fishes on the horizontal plane to finish fish top repair of fish multi-point positions and enhance the capturing property of the fishes. The experiment device can truly simulate the working condition of multi-point contact of the finishes and milling shoes.
Description
Technical field
The present invention relates to fish milling experiment clamping erection device in a kind of oil field operation, belong to the experimental implementation field in the oil field operation instrument.
Background technology
Salvaging and milling fish are inevitable tasks in the operation technique.So-called fish refers to that those drop on to hinder in the well and normally creeps into, the trouble of lost tool in hole that must remove before recovering normally to creep into.Remove fish and mainly contain salvaging and two kinds of methods of milling, when salvaging fish, often to carry out milling to the top of fish of fish so that crawl, and those the complex-shaped fish that can not adopt the salvaging way to remove, must adopt the method for milling to make it become fragment, to remove the obstruction of fish to normally creeping into.Carry out in the operation of fish milling experiment in the down-hole, because the complexity of fish shape, but be difficult to grasp the milling characteristic of fish, be difficult to simultaneously the repairing degree of control top of fish, so that the removing work of fish is more difficult.Therefore, simulation fish milling process is very important in the ground experiment chamber.
Summary of the invention
The objective of the invention is for the problem that exists in the prior art, fish milling experimental facilities in a kind of oil field operation technique is provided, with the reliable righting of large long drill pipe and the clamping problem of different fish in the solution ground simulation fish milling experiment.
For solving the problems of the technologies described above design of the present invention be:
Fish milling experiment clamping erection device in a kind of oil field operation, it is mainly by drill stem righting mechanism, fish clamping device and fish position adjusting mechanism, bottom workbench and positioning support strut form, it is characterized in that: described righting mechanism is by open circles annular loam cake, open circles ring body and three equiangularly arranged righting unit form, described open circles annular loam cake and open circles ring body are bolted, described three equiangularly arranged righting unit link to each other with moving sets with the open circles ring body, described three equiangularly arranged righting unit are respectively by the righting mechanism feed screw, slide block and spherical roller form, described righting mechanism feed screw is connected by screw pair with slide block, described spherical roller is hinged by self-aligning bearing and slide block, and described open circles ring body is fixed on the bottom workbench by four with described positioning support strut; Described fish clamping device is comprised of clamping device feed screw and V-arrangement jaw, and described clamping device feed screw is connected by screw pair with the fish position adjusting mechanism, and described V-arrangement jaw is connected by spherical pair with the clamping device feed screw; Described fish position adjusting mechanism is comprised of handwheel, feed screw, upper bracket, middle bracket, lower bracket, and described handwheel is fixedly connected with feed screw, is connected by screw pair between described leading screw and support.
According to the foregoing invention design, the present invention adopts following technical proposals:
Fish milling experiment clamping erection device in a kind of oil field operation comprises a bottom workbench, it is characterized in that: have a drill stem righting mechanism by four circumferential uniform positioning support struts be fixedly mounted on described bottom workbench directly over; There is a fish position adjusting mechanism to be installed on the worktable upper surface of described bottom; There is a fish clamping device to be installed on the described fish position adjusting mechanism.Above-mentioned drill stem righting mechanism is comprised of open circles annular loam cake, open circles ring body and three equiangularly arranged righting unit.Described open circles annular loam cake and open circles ring body are bolted, described three equiangularly arranged righting unit are connected with moving sets with the open circles ring body, described moving sets refers to that three equiangularly arranged righting cellular installations are in the toric mounting groove of opening, can only be radially mobile in the open circles ring body, described three equiangularly arranged righting unit are respectively respectively by a righting mechanism feed screw, a slide block and a spherical roller form, described righting mechanism feed screw is connected by screw pair with slide block, described screw pair connects and refers to that the righting mechanism feed screw can only do relative screw along its axis with slide block, described spherical roller is hinged by self-aligning bearing and slide block, and described open circles ring body is fixed on the workbench of bottom by four described positioning support struts.Above-mentioned fish position adjusting mechanism is comprised of handwheel, feed screw, upper bracket, middle bracket, lower bracket.Described handwheel is fixedly connected with feed screw, be connected by screw pair between described feed screw and upper bracket, middle part, described screw pair connects and refers to can only do relative screw along its axis between feed screw and upper bracket, middle part, and described lower bracket is fixed on the worktable upper surface of described bottom.Above-mentioned fish clamping device is comprised of clamping device feed screw and V-arrangement jaw.Described clamping device feed screw is connected by screw pair with the fish position adjusting mechanism, described screw pair connects and refers to that the clamping device feed screw can only do relative screw along its axis with the fish position adjusting mechanism, described V-arrangement jaw is connected by spherical pair with the clamping device feed screw, described spherical pair is that the V-arrangement jaw is connected by sphere with the clamping device feed screw, can only do three around its centre of sphere and independently relatively rotate.
The present invention has following apparent outstanding substantive distinguishing features and remarkable advantage compared with prior art:
Fish milling experiment clamping erection device has solved the fish grinding difficult problem in the oil field operation technological experiment in this oil field operation.At first, this device can be realized the reliable righting of large long drill pipe, and can clamp difformity, the different fish of attitude; Secondly, can also realize the fine setting of fish position, realize the multiple spot milling of fish in the oil field operation technique.In addition, this apparatus structure is simple, and is easy to operate, connects simple and reliablely between each mechanism unit, is easy to dismounting, can realize that just its all functions do not need other auxiliary equipment by hand, reduced the manpower and materials that drop into, and greatly reduces experimental cost, remarkable benefit.
Description of drawings:
Fig. 1 is fish milling experiment clamping erection device front view in the oil field operation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is A-O-A place sectional drawing among Fig. 2.
The specific embodiment:
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment one: referring to Fig. 1, fish milling experiment clamping erection device comprises a bottom workbench 18 in this oil field operation, have drilling rod centering guide machine 1 structure by four circumferential uniform positioning support struts 10 be fixedly mounted on described bottom workbench 18 directly over; There is a fish position adjusting mechanism 3 to be installed on workbench 18 upper surfaces of described bottom; There is a fish clamping device 2 to be installed on the described fish position adjusting mechanism 3.
Embodiment two: referring to Fig. 1 ~ Fig. 3, fish milling experiment clamping erection device is comprised of drill stem righting mechanism 1, fish clamping device 2, fish position adjusting mechanism 3, positioning support strut 10 and bottom workbench 18 in this oil field operation, and described drill stem righting mechanism 1 is comprised of open circles annular loam cake 8, open circles ring body 9 and three equiangularly arranged righting unit; Described fish clamping device 2 is comprised of clamping device feed screw 13 and V-arrangement jaw 11; Described fish position adjusting mechanism 3 is comprised of handwheel 17, feed screw 19, upper bracket 14, middle bracket 15, lower bracket 16.The open circles annular loam cake 8 of described drill stem righting mechanism 1 is bolted with open circles ring body 9, described three equiangularly arranged righting unit and open circles ring body 9 link to each other with moving sets, described three equiangularly arranged righting unit are comprised of righting mechanism feed screw 4, slide block 5 and spherical roller 6 respectively, described righting mechanism feed screw 4 and slide block 5 are connected by screw pair, described spherical roller 6 is hinged by self-aligning bearing 7 and slide block 5, and described open circles ring body 9 is fixed in bottom workbench 18 by four described positioning support struts 10.Described clamping device feed screw 13 and fish position adjusting mechanism 3 are connected by screw pair, and described V-arrangement jaw 11 is connected by spherical pair 12 with clamping device feed screw 13.The handwheel 17 of described fish position adjusting mechanism 3 is fixedly connected with feed screw 19, described feed screw 19 and support 14,15 be connected by screw pair.
Embodiment three: referring to Fig. 1 ~ Fig. 3, the external surface of the spherical roller 6 in the drill stem righting mechanism 1 of the present embodiment is cydariform, make spherical roller 6 and drilling rod to contact, get rid of in the course of work of righting drilling rod owing to the not parallel righting problem that causes of the axis of drill rod axis and open circles ring body 9.Three equiangularly arranged righting unit can independent feeding, realizes the reliable clamping of drilling rod.Other composition is identical with embodiment two with annexation.
Embodiment four: referring to Fig. 1 ~ Fig. 3, the present embodiment open circles ring body 9 is opening shape, adapts to first fixedly drilling rod clamping mechanism 1, the operating mode of rear whereabouts drilling rod; Simultaneously, it adapts to the drilling rod that fixedly greatly enhances in advance, the operating mode of rear installation clamping device 1.Other composition is identical with specific embodiment two with annexation.
The specific works process of this fish milling experiment clamping erection device following (referring to Fig. 1 ~ Fig. 3):
1, fixing fish milling experiment clamping erection device in the oil field operation, the whereabouts drilling rod, make it pass the inside of open circles ring body 9, rotate respectively three equiangularly arranged drill stem righting mechanism feed screw 2 is arranged, adjust the position of drilling rod righting unit, make spherical roller 6 and drilling rod surface close contact, reach the purpose to the drilling rod righting; When drilling rod longer, need to be in advance fixedly under the operating mode of drilling rod, at first drill stem righting mechanism 1 is taken off, then fix this device, reinstalled again at last drill stem righting mechanism 1, drilling rod is passed experimental facilities inside, adjust again the clip position of righting unit.
2, the feed screw 13 in the adjustment fish clamping device 2 makes V-arrangement pawl 11 and fish close contact, and fish is gripped.
3, two handwheels 17 of rotation fish position adjusting mechanism are realized the change in location of fish, and then change junk mill and fish contact position, can the simulation oil field operation technique in the multiple spot milling of fish.
Claims (4)
1. fish milling experiment clamping erection device in the oil field operation, comprise one the bottom workbench (18), it is characterized in that: have a drill stem righting mechanism (1) by four circumferential uniform positioning support struts (10) be fixedly mounted on described bottom workbench (18) directly over; There is a fish position adjusting mechanism (3) to be installed on described bottom workbench (18) upper surface; There is a fish clamping device (2) to be installed on the described fish position adjusting mechanism (3).
2. the clamping erection device is tested in the fish milling in the oil field operation according to claim 1, it is characterized in that: described drill stem righting mechanism (1) is comprised of open circles annular loam cake (8), open circles ring body (9) and three equiangularly arranged righting unit; Described open circles annular loam cake (8) is bolted with open circles ring body (9), described three equiangularly arranged righting unit are connected with moving sets with open circles ring body (9), described moving sets refers to that three equiangularly arranged righting cellular installations are in the mounting groove of open circles ring body (9), can only be radially mobile in open circles ring body (9), described three equiangularly arranged righting unit are respectively respectively by a righting mechanism feed screw (4), a slide block (5) and a spherical roller (6) form, described righting mechanism feed screw (4) is connected by screw pair with slide block (5), and described righting mechanism feed screw (4) can only be done relative screw along righting mechanism feed screw (4) axis with slide block (5); Described spherical roller (6) is hinged by self-aligning bearing (7) and slide block (5), and described open circles ring body (9) is fixed on the bottom workbench (18) by four described positioning support struts (10).
3. fish milling experiment clamping erection device in the oil field operation according to claim 1 is characterized in that described fish position adjusting mechanism (3) is comprised of handwheel (17), feed screw (19), upper bracket (14), middle bracket (15), lower bracket (16); Described handwheel (17) is fixedly connected with feed screw (19), described feed screw (19) is connected by screw pair with upper bracket (14), middle bracket (15), described feed screw (19) cooperates and can only do relative screw along feed screw (19) axis with upper bracket (14), middle bracket (15), and described lower bracket (16) is fixed on described bottom workbench (18) upper surface.
4. the clamping erection device is tested in the fish milling in the oil field operation according to claim 1, and it is characterized in that: described fish clamping device (2) is comprised of clamping device feed screw (13) and V-arrangement jaw (11); Described clamping device feed screw (13) is connected by screw pair with fish position adjusting mechanism (3), described clamping device feed screw (13) can only be done relative screw along clamping device feed screw (13) axis with fish position adjusting mechanism (3), described V-arrangement jaw (11) is connected by spherical pair (12) with clamping device feed screw (13), described spherical pair (12) is that V-arrangement jaw (11) is connected by sphere with clamping device feed screw (13), can only do three around spherical pair (12) centre of sphere and independently relatively rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608195 CN102102496B (en) | 2010-12-28 | 2010-12-28 | Fish milling experiment clamping and centralizing device in oilfield operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608195 CN102102496B (en) | 2010-12-28 | 2010-12-28 | Fish milling experiment clamping and centralizing device in oilfield operation |
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| Publication Number | Publication Date |
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| CN102102496A CN102102496A (en) | 2011-06-22 |
| CN102102496B true CN102102496B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010608195 Expired - Fee Related CN102102496B (en) | 2010-12-28 | 2010-12-28 | Fish milling experiment clamping and centralizing device in oilfield operation |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296797A (en) * | 2014-10-09 | 2015-01-21 | 中国石油天然气股份有限公司 | Underground tool ground milling test system and underground tool milling method |
| CN108590546B (en) * | 2018-07-04 | 2023-05-26 | 中国地质大学（北京） | Power drilling tool experiment righting device |
| CN109869109B (en) * | 2019-03-26 | 2023-07-14 | 中铁大桥局集团有限公司 | Method for fishing drill bit and drill bit fishing device |
| CN111982657A (en) * | 2020-08-03 | 2020-11-24 | 西南石油大学 | Rock breaking test device of laser-assisted machine |
| CN113310829B (en) * | 2021-04-14 | 2022-10-25 | 西南石油大学 | Drillability testing device and experimental method for rock in impact mode |
| CN113638701B (en) * | 2021-10-13 | 2022-03-25 | 北京恒利新源地热能科技有限公司 | Drill rod centralizer of top drive type geothermal drilling machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2665349Y (en) * | 2003-12-22 | 2004-12-22 | 李宪国 | Fan-shaped knife wing flat-bottomed milling shoe |
| CN2846717Y (en) * | 2005-09-24 | 2006-12-13 | 辽河石油勘探局 | Workover finding and reaming angle top grind shoe |
| CN200985757Y (en) * | 2006-07-20 | 2007-12-05 | 范伟光 | Milling shoe |
| CN101899956A (en) * | 2010-03-17 | 2010-12-01 | 北京华油油气技术开发有限公司 | Method for salvaging electric pump pipe column fish |
-
2010
- 2010-12-28 CN CN 201010608195 patent/CN102102496B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2665349Y (en) * | 2003-12-22 | 2004-12-22 | 李宪国 | Fan-shaped knife wing flat-bottomed milling shoe |
| CN2846717Y (en) * | 2005-09-24 | 2006-12-13 | 辽河石油勘探局 | Workover finding and reaming angle top grind shoe |
| CN200985757Y (en) * | 2006-07-20 | 2007-12-05 | 范伟光 | Milling shoe |
| CN101899956A (en) * | 2010-03-17 | 2010-12-01 | 北京华油油气技术开发有限公司 | Method for salvaging electric pump pipe column fish |
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