CN104819858B - Test device for evaluating reliability of downhole tool of horizontal well - Google Patents
Test device for evaluating reliability of downhole tool of horizontal well Download PDFInfo
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- CN104819858B CN104819858B CN201510178633.6A CN201510178633A CN104819858B CN 104819858 B CN104819858 B CN 104819858B CN 201510178633 A CN201510178633 A CN 201510178633A CN 104819858 B CN104819858 B CN 104819858B
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- downhole tool
- drill bit
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Abstract
The invention provides a test device for evaluating reliability of a downhole tool of a horizontal well, which is characterized in that the test device mainly comprises a top drive motor, a gear transmission, a mud inlet, a top drive joint, a mud outlet, a drill rod, movable clamping tongues, a sleeve, a drill collar, pressurizing clamping tongues, the downhole tool, a drill bit, a drill core, a drill core trough, a first joint, a second joint, a third joint and a base. The top drive motor and the top drive joint are used for providing a rotating power to the drill rod, the drill collar and the drill bit. The mud inlet is used for injecting the mud into the drill rod. The mud outlet is used for discharging annular mud. The movable clamping tongues are used for fixing the whole sleeve. The pressurizing clamping tongues are used for applying a drilling pressure on the drill bit. When the test device begins to operate, mud displacement, rotating speed of the top drive motor and the drilling pressure which is applied on the drill bit can be changed for evaluating the operation effect and reliability of the downhole tool under different drilling conditions. The test device is suitable for the technical research field in oil and natural gas horizontal wells.
Description
Technical field
The present invention relates to a kind of oil and gas horizontal well drilling technology field, specifically a kind of to evaluate under Horizontal Well
The experimental rig of tool reliability.
Background technology
With the continuous expansion of drilling area, drilling well difficulty is continuously increased, and horizontal well has become Efficient Development oil gas
Important technology is supported, and compared with straight well, horizontal well development has following 5 points of obvious advantages：1) water is bored in fractured hydrocarbon reservoir
Horizontal well can improve the Drilling ratio in crack, so as to obtain the production capacity higher than straight well several times；2) bore in having the oil reservoir of bottom water, pneumatic jack
Horizontal well can reduce the coning speed of aqueous vapor, improve oil gas well yield and oil recovery；3) water is bored in natural gas gas reservoir
Horizontal well, to low permeability gas reservoir disappointing area can be increased, and so as to reduce producing well number, to Thief zone gas reservoir turbulent shadow can be reduced
Ring, further improve gas reservoir production capacity；4) horizontal well drilling is used as injection well, water filling, gas injection, mixed phase drive and polymer flooding in can be with
Improve oil displacement efficiency；5) horizontal well drilling in thin oil reservoir, the saturating oil reservoir of low pressure and low permeability, can increase the contact area of well and oil reservoir,
Significantly improve oil yield and recovery ratio；Therefore horizontal well drilling technology has become current important drilling technology.
Certainly, in order that horizontal well safety, high-quality, quick drilling well, need using many during horizontal well drilling
Newly developed downhole tool, such as MDW (measurement while drilling instrument) and LWD (LWD tool) survey tools and PDW (screw rods
Drilling tool), hydraulic booster, the speed-raising instrument such as pulsing jet, however, the effect of newly developed downhole tool work and reliability meeting
The drilling effect and drilling quality of horizontal well are had a strong impact on, conversely, drilling parameter and drilling fluid can also affect downhole tool to work
Effect and reliability.Therefore, to guarantee that newly developed downhole tool is normal under real well, efficiently working, need to carry out
The simulated test that the downhole tool newly developed works under different drilling conditions, the effect and reliability to the work of down-hole new tool
Carry out system evaluation.
At present, it is domestic also without the experimental rig that downhole tool works under drilling condition can be simulated, it is impossible to newly grinding
The working effect and reliability of the downhole tool of system carries out system evaluation, for this purpose, the present invention proposes a kind of evaluation under Horizontal Well
The experimental rig of tool reliability, the device can carry out the simulated test that downhole tool works under different drilling conditions, realize
System evaluation to downhole tool working effect and reliability.
The content of the invention
The purpose of the present invention is to propose a kind of experimental rig for evaluating horizontal wells downhole tools reliability.
For achieving the above object, the present invention takes technical scheme below：
A kind of experimental rig for evaluating horizontal wells downhole tools reliability proposed by the present invention, it is characterised in that main bag
Include：Top-drive motor, gear, mud entrance, top drive joint, slurry outlet, drilling rod, mobile gripper clamp, sleeve pipe, drill collar,
Pressurization gripper clamp, downhole tool, drill bit, core, core groove, the first joint, the second joint, the 3rd joint and base.Wherein, push up
Driving motor is used to provide power to whole experimental rig, drives drilling rod, drill collar and bit；Gear is fixed on base
On, for transmitting the power of top-drive motor；Mud entrance is used to inject mud into drilling rod, and slurry outlet is used to discharge annular space mud
Slurry, joint is driven on top is used for jointed rod and gear, and the first joint is used for jointed rod and drill collar, and the second joint is used to connect
Drill collar and downhole tool are connect, the 3rd joint is used to connect downhole tool and drill bit；Mobile gripper clamp can be slided left and right on base
It is dynamic, for fixing whole sleeve pipe；Pressurization gripper clamp is fixed on base, for applying the pressure of the drill and fixed sleeving to drill bit, in examination
When experiment device is started working, by the gripper clamp pressure to sleeve pipe applying to the left that pressurizes, according to active force and reaction force principle,
Pressure i.e. the pressure of the drill that drilling rod in sleeve pipe will apply to the right to drill bit.
It is an advantage of the invention that：
(1) simulated test that downhole tool works under different drilling conditions can be carried out, is realized to downhole tool (especially most
The downhole tool newly developed) working effect and reliability system evaluation, the research and development for horizontal well drilling technology provides
More complete intermediate experiment condition；
(2) apparatus structure is simple, easy to operate, with low cost, and the drilling process of the true simulation water horizontal well of energy.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment, describe the present invention.
Referring to Fig. 1, a kind of experimental rig for evaluating horizontal wells downhole tools reliability proposed by the present invention, its feature exists
In mainly including：Joint 4, slurry outlet 5, drilling rod 6, mobile folder are driven in top-drive motor 1, gear 2, mud entrance 3, top
Hold pincers 7, sleeve pipe 8, drill collar 9, pressurization gripper clamp 10, downhole tool 11, drill bit 12, core 13, core groove 14, the first joint 15,
Second joint 16, the 3rd joint 17 and base 18.Wherein, top-drive motor 1 is used to provide power to whole experimental rig, drives and bores
Bar 6, drill collar 9 and drill bit 12 rotate；Gear 2 is fixed on base 18, for transmitting the power of top-drive motor 1；Mud
Entrance 3 is used to inject mud into drilling rod 6, and slurry outlet 5 is used to discharge annular space mud, and joint 4 is driven on top is used for the He of jointed rod 6
Gear 2, the first joint 15 is used for jointed rod 6 and drill collar 9, and the second joint 16 is used to connect drill collar 9 and downhole tool
11, the 3rd joint 17 is used to connect downhole tool 11 and drill bit 12；Mobile gripper clamp 7 can horizontally slip on base 18, use
In the whole sleeve pipe 8 of fixation；Pressurization gripper clamp 10 is fixed on base 18, for applying the pressure of the drill and fixed sleeving 8 to drill bit 12,
When experimental rig is started working, the pressure for applying to the left to sleeve pipe 8 by the gripper clamp 10 that pressurizes, according to active force and reaction force
Principle, pressure i.e. the pressure of the drill that the drilling rod 6 in sleeve pipe 8 will apply to the right to drill bit 12.
As shown in figure 1, the present invention is when in use, first, from left to right, drives joint 4 with top successively and drilling rod 6 is driven into electricity with top
Machine 1 is connected, and drilling rod 6 is connected with drill collar 9 with the 3rd joint 17, with the second joint 16 by drill collar 9 and downhole tool to be evaluated
11 are connected, and downhole tool 11 is connected with drill bit 12 with the first joint 15；Then, applied to drill bit 12 using pressurization gripper clamp 10
Certain the pressure of the drill, and pump into the mud of a fixed displacement from mud entrance 5；Finally, top-drive motor 1,12 pairs, the drill bit of rotation are started
Core 13 in core groove 14 is crushed, and starts to evaluate the effect and reliability of the work of downhole tool 11.Additionally,
In experimental rig simulation drilling process, according to different actual well drilled operating modes, mud displacement, the rotating speed of top-drive motor 1 can be changed
With put on the pressure of the drill on drill bit 12, so as to evaluate working effect and reliability of the downhole tool 11 under different drilling conditions.
Claims (1)
1. it is a kind of evaluate horizontal wells downhole tools reliability experimental rig, it is characterised in that device includes：Top-drive motor (1),
Joint (4), slurry outlet (5), drilling rod (6), mobile gripper clamp (7), sleeve pipe are driven in gear (2), mud entrance (3), top
(8), drill collar (9), pressurization gripper clamp (10), downhole tool (11), drill bit (12), the first joint (15), the second joint (16), the
Three joints (17) and base (18)；Gear (2) is fixed on base (18), for transmitting the power of top-drive motor (1),
Mud entrance (3) for the injection mud into drilling rod (6), for discharging annular space mud, drive joint (4) and use slurry outlet (5) by top
In jointed rod (6) and gear (2), the first joint (15) is for jointed rod (6) and drill collar (9), the second joint
(16) for connecting drill collar (9) and downhole tool (11), the 3rd joint (17) is for connecting downhole tool (11) and drill bit (12)；
Mobile gripper clamp (7) can horizontally slip on base (18), for fixing whole sleeve pipe (8)；Pressurization gripper clamp (10) is fixed
On base (18), for applying the pressure of the drill and fixed sleeving (8) to drill bit (12)；When experimental rig is started working, by adding
Pressure gripper clamp (10) applies pressure to the left to sleeve pipe (8), according to active force and reaction force principle, the drilling rod in sleeve pipe (8)
(6) it is the pressure of the drill by the pressure applied to the right to drill bit (12), mud displacement, the rotating speed of top-drive motor (1) can be changed and put on
The pressure of the drill on drill bit (12) is evaluating working effect and reliability of the downhole tool (11) under different drilling conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178633.6A CN104819858B (en) | 2015-04-16 | 2015-04-16 | Test device for evaluating reliability of downhole tool of horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178633.6A CN104819858B (en) | 2015-04-16 | 2015-04-16 | Test device for evaluating reliability of downhole tool of horizontal well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819858A CN104819858A (en) | 2015-08-05 |
| CN104819858B true CN104819858B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178633.6A Expired - Fee Related CN104819858B (en) | 2015-04-16 | 2015-04-16 | Test device for evaluating reliability of downhole tool of horizontal well |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390060B (en) * | 2015-12-24 | 2017-11-07 | 中国地质大学（武汉） | Horizontal directional drill annular space multi- scenarios method analogic drilling experimental method and experimental provision |
| CN106812519B (en) * | 2016-12-28 | 2020-01-07 | 中国石油天然气股份有限公司 | Testing device for downhole tool and testing system for downhole tool |
| CN107217989B (en) * | 2017-06-12 | 2020-05-08 | 中国石油天然气股份有限公司 | Deepwater jet drilling process simulation experiment device |
| CN107859511A (en) * | 2017-09-27 | 2018-03-30 | 中国石油大学(华东) | Shock loading broken rock characteristic simulation experimental provision and method under level conditions |
| CN108119141A (en) * | 2017-11-06 | 2018-06-05 | 中国矿业大学 | A kind of bore surveys integration experimental platform |
| CN109655353B (en) * | 2019-02-21 | 2021-02-12 | 重庆科技学院 | Drilling behavior simulation experiment system of underground power drilling tool |
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| CN202351071U (en) * | 2011-12-14 | 2012-07-25 | 上海天合石油工程股份有限公司 | Test table for screw drill tool |
| CN104374559A (en) * | 2014-11-14 | 2015-02-25 | 中国石油天然气股份有限公司 | Downhole tool dynamic property test detecting device |
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| US8943884B2 (en) * | 2010-07-22 | 2015-02-03 | Baker Hughes Incorporated | Smart seals and other elastomer systems for health and pressure monitoring |
| US20140121973A1 (en) * | 2012-10-25 | 2014-05-01 | Schlumberger Technology Corporation | Prognostics And Health Management Methods And Apparatus To Predict Health Of Downhole Tools From Surface Check |
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2015
- 2015-04-16 CN CN201510178633.6A patent/CN104819858B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN202351071U (en) * | 2011-12-14 | 2012-07-25 | 上海天合石油工程股份有限公司 | Test table for screw drill tool |
| CN104374559A (en) * | 2014-11-14 | 2015-02-25 | 中国石油天然气股份有限公司 | Downhole tool dynamic property test detecting device |
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| DRPWD随钻环空压力测量系统的研制与试验;王鹏等;《石油机械》;20141231;第42卷(第8期);全文 * |
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| CN104819858A (en) | 2015-08-05 |
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Granted publication date: 20170510 Termination date: 20190416 |