CN109489945B - Rotary steering tool ground testing device - Google Patents
Rotary steering tool ground testing device Download PDFInfo
- Publication number
- CN109489945B CN109489945B CN201811096889.2A CN201811096889A CN109489945B CN 109489945 B CN109489945 B CN 109489945B CN 201811096889 A CN201811096889 A CN 201811096889A CN 109489945 B CN109489945 B CN 109489945B
- Authority
- CN
- China
- Prior art keywords
- drill bit
- pressure sensor
- rotary
- wall
- simulation drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a rotary steering tool ground testing device, which comprises an oil well casing, a simulation drill bit and a drill bit offset display mechanism, wherein the simulation drill bit is arranged in the oil well casing; the oil well casing is used for simulating a shaft, and three windows with equal intervals are formed in the wall of the shaft; the outer side of the window is connected with a fixed frame; the fixed frame is used for fixing a first pressure sensor, and the first pressure sensor is used for measuring the contact acting force of the supporting wings and the well wall; the outer wall of the simulation drill bit is provided with a second pressure sensor, and the second pressure sensor is used for measuring the lateral drilling pressure between the simulation drill bit and the well wall; the drill bit offset display mechanism is used for indicating the displacement of the simulation drill bit in the radial direction; the problem of present rotary steerable instrument need carry out live test in the pit is solved.
Description
Technical Field
The invention relates to an underground petroleum drilling test instrument.
Background
Most of the rotary steering systems are of a pushing type, and rotary steering drilling is realized by pushing three supporting wings which are uniformly distributed in the circumferential direction of 120 degrees against a well wall. Most of tests of the rotary steering tool need to be carried out in a real-time manner underground, the test means needs to be matched with drilling teams and transportation in multiple ways, the cost is high, the period is long, and if complex conditions underground appear in the test process, all previous scientific research results can be sent out.
Disclosure of Invention
In view of the above, the present invention provides a ground testing apparatus for a rotary steerable tool, which solves the problem that the current rotary steerable tool needs to perform a live test downhole.
In order to achieve the above object, the ground testing device for a rotary steerable tool is characterized by comprising:
the device comprises an oil well casing, a simulation drill bit and a drill bit offset display mechanism;
the oil well casing is used for simulating a shaft, and three windows with equal intervals are formed in the wall of the shaft; the rotary guiding tool is inserted into the oil well casing, a supporting wing of the rotary guiding tool extends out of the window, and a fixed frame is connected to the outer side of the window;
the fixing frame is used for fixing the first pressure sensor;
when the rotary guiding tool moves radially until the supporting wings are in contact with the first pressure sensor, the first pressure sensor is used for measuring the contact acting force of the supporting wings and the well wall;
the outer wall of the simulation drill bit is provided with a second pressure sensor which is connected with the rotary guiding tool;
when the rotary guiding tool moves radially to the state that the second pressure sensor is in contact with the well wall, the second pressure sensor is used for measuring the lateral bit pressure between the simulation drill bit and the well wall;
the drill bit offset display mechanism comprises a laser pen and a laser target;
the laser pen is connected to the simulation drill bit and used for indicating the displacement of the simulation drill bit in the radial direction;
and the laser target is used for tracking and displaying the actual position of the emitting point of the laser pen.
Preferably, the fixing frame is provided with a side wall parallel to the window;
the first pressure sensor is fixed on the inner side of the side wall.
Preferably, the number of the second pressure sensors is 2-4, and the second pressure sensors are uniformly distributed along the circumferential direction of the simulation drill bit.
Preferably, the laser pen is fixed on the laser pen bracket;
the laser pen bracket is fixed at the front end of the simulation drill bit.
Preferably, the laser target comprises a vertical flat plate and target paper with X \ Y coordinate axes on the surface;
the target paper is attached to the vertical flat plate.
Preferably, the upright flat plate has a height adjustable mechanism.
The invention has the following beneficial effects:
the ground testing device can directly observe the working state of the rotary steering tool under the condition of simulating the underground drilling work. Under the working condition that the rotary steering tool executes different drilling instructions, test data are recorded, the steering capacity of an instrument is analyzed, and the rotary steering tool has the following functions:
1. measuring the actual contact acting force of the support wing of the rotary guiding tool and the well wall;
2. measuring the acting force between the side wing of the drill bit and the well wall;
3. the drilling direction of the drill bit in the actual borehole is indicated by observing the deviation of the laser measuring point, and the problem of mechanical analysis visualization of the rotary steering tool downhole drilling tool is effectively solved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a rotary steerable tool ground test device according to an embodiment of the present invention.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth. However, the present invention may be fully understood by those skilled in the art for those parts not described in detail.
Furthermore, those skilled in the art will appreciate that the drawings are provided solely for the purposes of illustrating the invention, features and advantages thereof, and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic structural diagram of a rotary steerable tool ground test device according to an embodiment of the present invention. As shown in fig. 1: a ground testing device for a rotary steering tool comprises an oil well casing 1, a simulation drill bit 4 and a drill bit offset display mechanism;
the oil well casing 1 can be a casing with the length of 3 meters and the diameter of 245mm and is used for simulating a shaft, and three windows with equal circumferential intervals are formed in the wall of the shaft; the rotary guiding tool is inserted into the oil well casing, and the supporting wings of the rotary guiding tool extend out of the window; the fixed frame 2 is welded on the outer side of the window, and the fixed frame 2 is used for fixing the first pressure sensor 3.
When the rotary guiding tool moves radially to the state that the supporting wings are in contact with the first pressure sensor 3, the first pressure sensor 3 is used for measuring the contact acting force of the supporting wings and the well wall.
The outer wall of the simulation drill bit 2 is provided with a second pressure sensor 7 and is connected with the rotary steering tool; when the rotary guiding tool moves radially to the state that the second pressure sensor 7 is contacted with the well wall, the second pressure sensor 7 is used for measuring the lateral drilling pressure between the simulation drill bit 2 and the well wall.
The drill bit offset display mechanism comprises a laser pen and a laser target 6; the laser pen is connected to the simulation drill bit 2 and used for indicating the radial displacement of the simulation drill bit 2; the laser target 6 is used for tracking and displaying the actual position of the laser pen emitting point.
Further, in fig. 1, the fixing frame 2 has a side wall parallel to the window, and the first pressure sensor 3 is fixed inside the side wall.
Further, in fig. 1, the number of the second pressure sensors 7 is 2 to 4, and the second pressure sensors 7 are uniformly distributed along the circumferential direction of the mock drill 4.
Further, in fig. 1, the laser pointer is fixed on the laser pointer support 5; the laser pen bracket 5 is fixed at the front end of the simulation drill bit 4.
Further, the laser target 6 comprises a vertical flat plate and target paper with X \ Y coordinate axes on the surface; the target paper is pasted on the vertical flat plate, and the vertical flat plate is provided with a height-adjustable mechanism.
Specifically, the working process of the ground testing device of the rotary guiding tool of the present invention is briefly described with reference to fig. 1:
inserting the rotary guiding tool into an oil well casing 1 of the ground testing device of the rotary guiding tool from one end, screwing the simulation drill bit 4 at one end of the rotary guiding tool, and adjusting the directions of three windows of the oil well casing 1 and a supporting wing of the rotary guiding tool to enable the supporting wing to smoothly pass through the windows and to contact the first pressure sensor. And the display screen is connected with the first pressure sensor and the first pressure sensor. Installing a laser pen at a laser pen bracket 5, sticking target paper on the laser target 6, adjusting the height position of the laser target 6, enabling an initial laser point to fall on an original point, powering up a rotary guiding tool for testing, issuing different drilling instructions, and tracking the actual position of an ejection point of the laser pen after the instrument responds, wherein the actual underground displacement and direction of a drill bit can be reflected by the ejection point of the laser pen; and simultaneously recording the readings of the first pressure sensor and the second pressure sensor, comparing and downloading the theoretical values of the instruction, and carrying out comparative analysis to obtain the conclusion whether the working state of the rotary steering tool is reasonable or not.
The above-mentioned embodiments are merely embodiments for expressing the invention, and the description is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions of equivalents, improvements and the like can be made without departing from the spirit of the invention, and these are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A rotary steerable tool ground test apparatus, comprising:
the device comprises an oil well casing, a simulation drill bit and a drill bit offset display mechanism;
the oil well casing is used for simulating a shaft, and three windows with equal intervals are formed in the wall of the shaft; the rotary guiding tool is inserted into the oil well casing, a supporting wing of the rotary guiding tool extends out of the window, and a fixed frame is connected to the outer side of the window;
the fixing frame is used for fixing the first pressure sensor;
when the rotary guiding tool moves radially until the supporting wings are in contact with the first pressure sensor, the first pressure sensor is used for measuring the contact acting force of the supporting wings and the well wall;
the outer wall of the simulation drill bit is provided with a second pressure sensor which is connected with the rotary guiding tool;
when the rotary guiding tool moves radially to the state that the second pressure sensor is in contact with the well wall, the second pressure sensor is used for measuring the lateral bit pressure between the simulation drill bit and the well wall;
the drill bit offset display mechanism comprises a laser pen and a laser target;
the laser pen is connected to the simulation drill bit and used for indicating the displacement of the simulation drill bit in the radial direction;
and the laser target is used for tracking and displaying the actual position of the emitting point of the laser pen.
2. A rotary steerable tool ground test device as in claim 1, wherein:
the fixed frame is provided with a side wall parallel to the window;
the first pressure sensor is fixed on the inner side of the side wall.
3. A rotary steerable tool ground test device as in claim 1, wherein:
the number of the second pressure sensors is 2-4, and the second pressure sensors are uniformly distributed along the circumferential direction of the simulation drill bit.
4. A rotary steerable tool ground test device as in claim 1, wherein:
the laser pen is fixed on the laser pen bracket;
the laser pen bracket is fixed at the front end of the simulation drill bit.
5. A rotary steerable tool ground test device as in claim 1, wherein:
the laser target comprises a vertical flat plate and target paper with X \ Y coordinate axes on the surface;
the target paper is attached to the vertical flat plate.
6. A rotary steerable tool ground test device according to claim 5, wherein:
the vertical flat plate is provided with a height adjustable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096889.2A CN109489945B (en) | 2018-09-20 | 2018-09-20 | Rotary steering tool ground testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096889.2A CN109489945B (en) | 2018-09-20 | 2018-09-20 | Rotary steering tool ground testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109489945A CN109489945A (en) | 2019-03-19 |
| CN109489945B true CN109489945B (en) | 2020-08-11 |
Family
ID=65689223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811096889.2A Active CN109489945B (en) | 2018-09-20 | 2018-09-20 | Rotary steering tool ground testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109489945B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8439450B2 (en) * | 2009-02-11 | 2013-05-14 | Vermeer Manufacturing Company | Tunneling apparatus including vacuum and method of use |
| CN101629807B (en) * | 2009-08-20 | 2011-02-02 | 中国矿业大学(北京) | Position and attitude parameter measurement system of machine body of boring machine and method thereof |
| CN102288742B (en) * | 2011-08-01 | 2013-07-17 | 中国石油大学(北京) | Well drilling simulation test device |
| CN202991008U (en) * | 2012-12-18 | 2013-06-12 | 中国石油大学(北京) | Dynamometric device for simulating mechanical characteristic of bottom-hole assembly |
| CN103696757B (en) * | 2014-01-03 | 2017-03-29 | 中国石油大学(北京) | The device of bit side force and axial force in a kind of drilling well for measure analog |
| BR112017015548B1 (en) * | 2015-01-30 | 2021-06-29 | Hydril USA Distribution LLC | METHOD TO ANALYZE MATERIAL WEAR |
| CN105178970A (en) * | 2015-08-13 | 2015-12-23 | 江苏锐成机械有限公司 | Horizontal oriented spiral drilling machine |
| CN106248416A (en) * | 2016-08-24 | 2016-12-21 | 中国石油集团渤海钻探工程有限公司 | Vibration class drilling tool device for detecting performance and application thereof |
| CN206468294U (en) * | 2017-01-07 | 2017-09-05 | 曲春林 | Laser guide hole-drilling system |
-
2018
- 2018-09-20 CN CN201811096889.2A patent/CN109489945B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109489945A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101892830B (en) | Deep ground stress measurement while drilling (MWD) system | |
| CN103712790B (en) | A kind of experimental facilities studying drilling string dynamics characteristic | |
| CN103018788A (en) | Advanced detection device and method for unfavorable geology and rock mass mechanical properties of deep and long tunnels | |
| CN105318824B (en) | A kind of method that wall rock loosening ring is measured based on distributed resistance foil gauge | |
| CN102562035A (en) | Underground engineering parameter measurement-while-drilling device | |
| CN101476462B (en) | Measurement system for engineering geological drilling while drilling | |
| CN202975361U (en) | Advance detection apparatus for unfavorable geology and rock mass mechanical property of deep and long tunnel | |
| CN202500552U (en) | Underground engineering parameter measurement-while-drilling device | |
| CN103195412A (en) | Mechanical underground caliper probe and application method | |
| CN105301662B (en) | Method for detecting underground pipeline with small aperture and large buried depth | |
| CN106842222A (en) | A kind of mining deep hole laser measuring apparatus | |
| CN104931353B (en) | Coal column plastic zone method of testing and test device | |
| CN105352635A (en) | Spatial pre-embedded type three-dimensional stress monitoring system and method for underground coal and rock mass | |
| CN206740531U (en) | The vertical side friction test machine people of in-situ three-dimensional dead load under ground body opening | |
| CN109489945B (en) | Rotary steering tool ground testing device | |
| CN206557382U (en) | A kind of mining deep hole laser measuring apparatus | |
| CN205477594U (en) | Along with boring inclinometer | |
| CN102519505B (en) | Protector of garbage dump monitoring instrument | |
| CN105091662A (en) | Testing device and testing method for gun barrel of perforating gun | |
| CN203879490U (en) | Pile hole diameter detecting device and rotary drilling rig | |
| CN210571075U (en) | Portable retractable temperature measurement appearance | |
| CN202393402U (en) | Protection device for garbage heap monitoring instrument | |
| CN102022111B (en) | Method for detecting azimuth of damaged oilfield downhole casing | |
| CN207231904U (en) | A kind of test device for vane shear test | |
| CN203145929U (en) | Mechanical underground diameter-detecting probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |