CN204312004U - A kind of novel gas well drift size gauge tool - Google Patents
A kind of novel gas well drift size gauge tool Download PDFInfo
- Publication number
- CN204312004U CN204312004U CN201420678465.8U CN201420678465U CN204312004U CN 204312004 U CN204312004 U CN 204312004U CN 201420678465 U CN201420678465 U CN 201420678465U CN 204312004 U CN204312004 U CN 204312004U
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- CN
- China
- Prior art keywords
- size gauge
- drift size
- cylindrical shell
- gauge tool
- gas well
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- Expired - Fee Related
Links
- 238000007790 scraping Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003345 natural gas Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000002343 natural gas well Substances 0.000 abstract description 4
- 241000283986 Lepus Species 0.000 description 39
- 238000005553 drilling Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 9
- 210000002445 nipple Anatomy 0.000 description 8
- 210000000664 rectum Anatomy 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to natural gas well general utility tool technical field, relate to natural gas well no killing well underground work-drifting instrument, be specifically related to a kind of novel gas well drift size gauge tool, comprise joint and the cylindrical shell be connected with joint by screw thread, described cylindrical shell adopts cylindrical tube body structure, there is vertical passageway in cylindrical shell, the sidewall of cylindrical shell has the opening of UNICOM vertical with vertical passageway.When possessing original drift size gauge tool function, drift size gauge tool body is modified into cylindrical tube body structure, and opening is offered on cylindrical shell, cylinder lumen is communicated with outside annular space by opening, enlargement gas flow channel, avoid because of tube inner wall have greasy dirt, foulant causes drift size gauge tool occurs with oil pipe plugged annulus and the drift size gauge tool blocking occurred, natural gas throttling situation, reaching drifting operation carries out smoothly, the effect that gas well is steadily produced.
Description
Technical field
The utility model belongs to natural gas well general utility tool technical field, relates to natural gas well no killing well underground work-drifting instrument, is specifically related to a kind of novel gas well drift size gauge tool.
Background technology
When gas well carries out no killing well pit shaft Corrosion monitoring, for guaranteeing that detecting instrument can normal operation, drift size gauge tool is usually adopted first to implement drifting operation to gas well oil pipe.
The object one of drifting removes the solid matter that internal surface of sleeve pipe adheres to, as the cement etc. that slag, burr, well cementation remain; Two is check run through casing size and distortion, breakage; Three is whether the artificial bottom of a well formed after checking well cementation meets formation testing requirement; Four is the well killing fluids in adjust well, makes it to meet perforation requirement.
API standard drift size gauge tool is selected to pass to artificial bottom of a well according to run through casing size.For the well that bore hole, screen casing complete, pass to more than casing shoe 10 ~ 15m, then pass to shaft bottom with oil pipe.The large end length of drift size gauge tool should be greater than 1.2m, and external diameter is less than casing inner diameter 6 ~ 8mm, is greater than packing element external diameter 2mm, and the pressurization that is hampered in drifting process is no more than 20kN, ensures to remove test string unobstructed.
Conventional drifting instrument is jack rabbit, jack rabbit is the special tool for detecting downhole tubular thing latus rectum size, whether the latus rectum size mainly for detection of endoporus such as sleeve pipe, oil pipe, drilling rods meets standard, the testing tool that underground work is commonly used, point run through casing size rule and oil pipe, the large class of drilling rod jack rabbit two.
Wherein run through casing size rule are thin-walled tubular instruments of latus rectum size in detection thimble, are commonly called as drift size gauge tool.Be made up of joint and cylindrical shell two parts.Joint bottom is connected with cylindrical shell by screw thread, and cylindrical shell bottom can be slightly thin.The upper and lower two ends of cylindrical shell of some drift size gauge tools all can be processed with connecting thread, when the power tool of G.I.H is longer, are convenient to two jack rabbits to connect use.The inclined-plane guide way of the cylindrical shell of some drift size gauge tools to be two ends be hollow, is used for high angle hole or horizontal well drifting.By the object that thin-walled is processed in cylindrical shell bottom be: when casing deformation place internal diameter is less than the external diameter of jack rabbit, cylindrical shell is easily out of shape, and probably understands casing deformation situation by deformation energy; Energy buffering percussive force, not easily blocks jack rabbit, is convenient to trip out drill string.
Such as patent application CN 203769698 U, drilling tool drift diameter device is used under disclosing a kind of deep well, comprise fixing pipe nipple, be arranged on the recovery seat in fixing pipe nipple and jack rabbit, sealed by sealing ring between described fixing pipe nipple and recovery seat, described jack rabbit is axially shaped with and runs through circulation port, described jack rabbit sidewall is shaped with sidewall circulation through hole, described jack rabbit one end is provided with projective table type fishing head, the outer chamfering scraping body being convenient to reclaim is shaped with at the other end of jack rabbit, described recovery seat upper end be shaped with chamfering scraping body outer with jack rabbit coordinate in chamfering scraping body.
Drilling assembly before the operation of deepwater drilling latus rectum, is first connected recovery pipe nipple with the drilling assembly foot of latus rectum that needs entering well, and fixing pipe nipple is threaded with top drilling tool, lower drilling tool by top rod button, bottom drilling rod button; Before needing the construction operation of drilling tool latus rectum to pull out of hole for the last time, in drilling tool, throw in jack rabbit from well head, jack rabbit is by drilling tool internal diameter, and mud can from the space cycle of jack rabbit axial circulation hole and jack rabbit and drilling well internal diameter annular space, shaft bottom circulation can not be affected, disposable logical full drilling tool.
When jack rabbit passes to bottom drilling tool, jack rabbit drops on and reclaims on pipe nipple, reclaim interior chamfering scraping body on seat and jack rabbit outward chamfering scraping body coordinate and reclaim; Described recovery seat realizes sealing by sealing ring and fixing pipe nipple, and mud from the space cycle in jack rabbit axial circulation hole, can only can not affect shaft bottom circulation, and such jack rabbit together can trip out well head with recovery pipe nipple, meets the requirement that pulls out of hole normally.
Patent application CN 103556968 A, disclose a kind of once full well drill string jack rabbit, comprise columned jack rabbit main body, tether connector, wire rope and connector fixed mount, wherein, described jack rabbit main body 1 internal diameter is 0.7-0.8 with the ratio d/D of external diameter, to ensure wall thickness and the intensity of jack rabbit, make it not fragile, simultaneously, it has the perforation of its upper and lower end face through, make jack rabbit in dropping process in drill string liquid can pass through from jack rabbit inside, improve the falling speed of jack rabbit, in addition, jack rabbit main body lower end is provided with the chamfering scraping body that angle of inclination is 45 °, ensure that jack rabbit is descending smoothly in drill string, and be not easy to stop in drilling rod, finally, the connector fixed mount be welded by fixing taeniae and fixing horizontal stripe right-angled intersection is welded on jack rabbit main body upper end, the upper surface of this fixing taeniae and the upper surface of fixing horizontal stripe all flush with the upper section of jack rabbit main body, tether connector is welded on this connector fixed mount center, and one end of wire rope 5 ties up on described tether connector, the external diameter of this wire rope is 1.5mm, its length 2m longer than cylindrical drill bar, make enough length wire rope can be held and jack rabbit is taken out.
Before the perforating job and sand control treatment of completion phase, after sleeve pipe pipe cleaning, clean-out service terminate, hold the wire rope of jack rabbit main body upper end, in drill string, throw in drill string jack rabbit from rig floor, slowly wire rope is put into, after wire rope enters drilling rod completely, wire rope is straight condition, now, the hand leading wire rope is unclamped, jack rabbit freely falls, disposable logical full drilling tool.When passing to bottom drilling tool, jack rabbit drops on drill bit, when drill string trips out, jack rabbit can trip out with drill bit, when last cylindrical drill bar is sitting in turntable surface, wire rope can be held jack rabbit is taken out, complete latus rectum, make the time of saving dismounting drill bit, follow-up perforation and sand control treatment drill string can latus rectums again.
Patent application CN 203321397 U, discloses a kind of slide block type anti-sticking drift size gauge tool, top connection, drift size gauge tool body, the first pin, positioning bolt, wedge-shaped slot, the first slide block, the second slide block, outage and the second pin composition.Body has centre bore, and one is processed in drift size gauge tool body and top connection, and top connection has oil pipe internal thread to buckle, and can be connected with oil pipe.Drift size gauge tool body and the second slide block there is wedge key, first slide block there is wedge-shaped slot, the wedge key of drift size gauge tool body and the wedge-shaped slot of the first slide block are connected, the wedge key of the second slide block and the wedge-shaped slot of the first slide block are connected, first slide block connects drift size gauge tool body by positioning bolt, have the first pin to be connected between first slide block with drift size gauge tool body, the first slide block has outage, has the second pin to be connected between the second slide block with the first slide block.
Drift size gauge tool enter well normally work time, drift size gauge tool body, the first slide block, the second slide block are combined into a cylinder, and the effect of positioning bolt is the disengaging stoping drift size gauge tool body and the first slide block.When drift size gauge tool meets card, by upper lifting pipe post, cut off pin and pin, the first slide block is relative to drift size gauge tool body slide downward, and the second slide block is relative to the first slide block slide downward; Further, the first slide block and the second slide block are also radially sliding doing in axial sliding while, thus make the overall undergauge of drift size gauge tool, remove bit freezing.
Patent application CN 202882825 U, discloses a kind low water resistance hole gauge, comprises top connection and body; Top connection lower end connects body, and body outer surface has three helicla flutes, and spiral fluted inclination angle is 45 °, and groove depth is 12mm; Helicla flute is longitudinally provided with skiving blade.Body lower end is designed with internal thread.
During use, at the utility model top connected pipes, when carrying out drifting operation, in well, liquid or viscous crude are by the helicla flute circulation on body, and this just substantially reduces resistance when removing drifting tubing string, avoids excessive surge pressure.When using the sand washing of the utility model small-scale, sand cleaning fluid flows by helicla flute, and circulation area increases, and liquid flowing resistance diminishes, and reduces the risk of bit freezing.In addition because helicla flute longitudinally has skiving blade, the shaving effect to sleeve pipe can be strengthened.
Drift size gauge tool recited above, when in use, is generally connected with weighted lever, to increase drift size gauge tool quality, improves the ability of scraping dirt.In operation, drift size gauge tool is put into Wellbore of Gas Wells, under rope controls, rely on self gravitation at the uniform velocity to fall, strike off tubing wall attachment dirt, dredging gas well oil pipe space.
But the impurity such as greasy dirt, dirty stain easily gathers, is blocked in the annular space of oil pipe and drift size gauge tool in implementation process, reduce gas actual internal area, increase drift size gauge tool whereabouts resistance, occur jam phenomenon.And those above-mentioned patents are for this problem, can not effectively solve, the situation of natural gas generation throttling simultaneously, tolerance fluctuation is comparatively large, affects gas well and normally produces.
Utility model content
The purpose of this utility model is when carrying out the drifting operation of no killing well gas well, avoid because of tube inner wall have greasy dirt, foulant causes drift size gauge tool and oil pipe plugged annulus and the drift size gauge tool blocking, the natural gas throttling situation that occur.
For this reason, the utility model provides a kind of novel gas well drift size gauge tool, comprises joint and the cylindrical shell be connected with joint by screw thread, and described cylindrical shell adopts cylindrical tube body structure, there is vertical passageway in cylindrical shell, the sidewall of cylindrical shell has the opening of UNICOM vertical with vertical passageway.
Described opening has three, and circumference is distributed on the sidewall of cylindrical shell.
Described opening is the mode of 120 ° of angles, is distributed on the sidewall of cylindrical shell.
The bottom of described cylindrical shell is provided with chamfering scraping body.
The chamfer angle of described chamfering scraping body is 30 ~ 60 °.
The chamfer angle of described chamfering scraping body is 40 ° or 45 ° or 50 °.
Compared with the prior art the utility model technology has following characteristics:
When possessing original drift size gauge tool function, drift size gauge tool body is modified into cylindrical tube body structure, and opening is offered on cylindrical shell, cylinder lumen is communicated with outside annular space by opening, enlargement gas flow channel, avoid because of tube inner wall have greasy dirt, foulant causes drift size gauge tool occurs with oil pipe plugged annulus and the drift size gauge tool blocking occurred, natural gas throttling situation, reaching drifting operation carries out smoothly, the effect that gas well is steadily produced.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A sectional view in Fig. 1.
Fig. 3 is the utility model principle schematic.
Description of reference numerals: 1, joint; 2, cylindrical shell; 3, vertical passageway; 4, opening; 5, chamfering scraping body.
Detailed description of the invention
In drifting operation process, the impurity such as greasy dirt, dirty stain easily gathers, be blocked in the annular space of oil pipe and drift size gauge tool, reduces gas actual internal area, increases drift size gauge tool whereabouts resistance, occurs jam phenomenon.The situation of natural gas generation throttling simultaneously, tolerance fluctuation is comparatively large, affects gas well and normally produces.
For above-mentioned problem, the utility model proposes a kind of novel gas well drift size gauge tool, as depicted in figs. 1 and 2, comprise joint 1 and the cylindrical shell 2 be connected with joint 1 by screw thread, described cylindrical shell 2 adopts cylindrical tube body structure, there is vertical passageway 3 in cylindrical shell 2, the sidewall of cylindrical shell 2 has the opening 4 of UNICOM vertical with vertical passageway 3.
In process drift size gauge tool being declined in well by vertical passageway 3 and opening 4, except the air-flow of outer wall, many inner air-flows, expand gas flow channel, effectively can avoid outer wall because tube inner wall has greasy dirt, foulant causes drift size gauge tool and oil pipe plugged annulus and the drift size gauge tool blocking, the natural gas throttling situation that occur occur.
Embodiment 1:
In the present embodiment, on the basis of said structure, opening 4 is arranged three, and the mode in 120 ° of angles, be distributed on the sidewall of cylindrical shell 2.
As shown in Figure 3, in the process that drift size gauge tool declines in well, except having air-flow between the annular space between cylindrical shell 2 and tube inner wall, also there is air-flow in cylindrical shell 2 inside, it is inner that air-flow enters cylindrical shell 2 by the vertical passageway 3 of cylindrical shell 2 bottom, discharged again enter annular space after rising by opening 4.General greasy dirt, foulant only appear on tube inner wall, like this, even if because the greasy dirt on tube inner wall, foulant make the outer wall card of cylindrical shell 2, the air-flow of cylindrical shell 2 inside also can not be obstructed, in this case, be easy to open jam at this strand of down washing, make drift size gauge tool continue operation, the effective situation reducing drift size gauge tool card.
And in the present embodiment 120 ° is arranged evenly, be the arrangement mode comparing science, its draught effect is best.
Embodiment 2
Above-mentioned be embodiment basis on, the present embodiment is provided with chamfering scraping body 5 in the bottom of cylindrical shell 2, here chamfering scraping body 5 is exactly the structure of a chamfering simply in fact, the bottom of cylindrical shell 2 is made to be not traditional flat-bottom structure, like this in the process fallen, first the drag area be subject to will reduce, secondly, the chamfering scraping body 5 of chamfering shape has possessed the effect of scraping, the chamfering structure of its taper more easily can wash obstruction open, scraping greasy dirt, foulant in drift size gauge tool decline process.
The chamfer angle optimum range of chamfering scraping body 5 is here 30 ~ 60 °, and the shaving effect within the scope of this is reasonable, and wherein 40 °, 45 °, 50 ° is best several angles.
In sum, this novel gas well drift size gauge tool of the present utility model, by vertical passageway and the opening of inner barrel, increases airflow rate, effectively reduces drift size gauge tool because the greasy dirt of tube inner wall, foulant and occur that the phenomenon of jam occurs; The chamfering scraping body that cylinder body bottom is arranged in addition makes to possess certain scraping function in drift size gauge tool decline process, is also obstructed to drift size gauge tool to a certain extent and plays useful effect.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (6)
1. a novel gas well drift size gauge tool, comprise joint (1) and the cylindrical shell (2) be connected with joint (1) by screw thread, it is characterized in that: described cylindrical shell (2) adopts cylindrical tube body structure, there is vertical passageway (3) in cylindrical shell (2), the sidewall of cylindrical shell (2) has the opening (4) with vertical passageway (3) vertical UNICOM.
2. novel gas well drift size gauge tool as claimed in claim 1, is characterized in that: described opening (4) has three, and circumference is distributed on the sidewall of cylindrical shell (2).
3. novel gas well drift size gauge tool as claimed in claim 2, is characterized in that: the described mode of opening (4) in 120 ° of angles, is distributed on the sidewall of cylindrical shell (2).
4. as the novel gas well drift size gauge tool in claim 1-3 as described in any one claim, it is characterized in that: the bottom of described cylindrical shell (2) is provided with chamfering scraping body (5).
5. as the novel gas well drift size gauge tool in claim 4 as described in any one claim, it is characterized in that: the chamfer angle of described chamfering scraping body (5) is 30 ~ 60 °.
6. as the novel gas well drift size gauge tool in claim 5 as described in any one claim, it is characterized in that: the chamfer angle of described chamfering scraping body (5) is 40 ° or 45 ° or 50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678465.8U CN204312004U (en) | 2014-11-14 | 2014-11-14 | A kind of novel gas well drift size gauge tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678465.8U CN204312004U (en) | 2014-11-14 | 2014-11-14 | A kind of novel gas well drift size gauge tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312004U true CN204312004U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420678465.8U Expired - Fee Related CN204312004U (en) | 2014-11-14 | 2014-11-14 | A kind of novel gas well drift size gauge tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454109A (en) * | 2019-08-12 | 2019-11-15 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Blowout prevention hose hanging apparatus and hanging method in a kind of well control |
| CN110552648A (en) * | 2018-05-31 | 2019-12-10 | 中国石油化工股份有限公司 | throw-in type drill rod drift diameter gauge and use method thereof |
| CN117127970A (en) * | 2023-10-26 | 2023-11-28 | 四川圣诺油气工程技术服务有限公司 | Liquid detection sampling open well integrated operation tool and use method |
-
2014
- 2014-11-14 CN CN201420678465.8U patent/CN204312004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552648A (en) * | 2018-05-31 | 2019-12-10 | 中国石油化工股份有限公司 | throw-in type drill rod drift diameter gauge and use method thereof |
| CN110454109A (en) * | 2019-08-12 | 2019-11-15 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Blowout prevention hose hanging apparatus and hanging method in a kind of well control |
| CN117127970A (en) * | 2023-10-26 | 2023-11-28 | 四川圣诺油气工程技术服务有限公司 | Liquid detection sampling open well integrated operation tool and use method |
| CN117127970B (en) * | 2023-10-26 | 2024-01-12 | 四川圣诺油气工程技术服务有限公司 | Liquid detection sampling open well integrated operation tool and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 |