CN219548814U - Milling type drill rod - Google Patents
Milling type drill rod Download PDFInfo
- Publication number
- CN219548814U CN219548814U CN202320663803.XU CN202320663803U CN219548814U CN 219548814 U CN219548814 U CN 219548814U CN 202320663803 U CN202320663803 U CN 202320663803U CN 219548814 U CN219548814 U CN 219548814U
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- CN
- China
- Prior art keywords
- connecting section
- drill rod
- drilling
- connecting piece
- rod body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a milling device, in particular to a milling type drill rod, which solves the problems that when the well wall collapses and the well head falls down, the jamming of a drilling object is difficult to eliminate, the jamming of the drilling object is caused, and the drilling quality is influenced in the existing drilling operation. The milling type drill rod comprises a first drill rod connecting piece, a drill rod body, a second drill rod connecting piece and a drill bit which are sequentially connected, wherein one end of the first drill rod connecting piece is used for being connected with external driving equipment; the device also comprises a first connecting section and a second connecting section; one end of the first connecting section is connected with the other end of the first drill rod connecting piece, and the other end of the first connecting section is connected with one end of the drill rod body; one end of the second connecting section is connected with one end of the second drill rod connecting piece, and the other end of the second connecting section is connected with the other end of the drill rod body; and drilling alloy layers are arranged on the outer wall of the first connecting section and the outer wall of the second connecting section and are used for milling the stuck object.
Description
Technical Field
The utility model relates to an oil well drill rod, in particular to a milling type drill rod.
Background
Drilling is the process of drilling a formation into a cylindrical borehole of a certain depth from the surface to the subsurface using mechanical equipment and related techniques. Drilling has irreplaceable important roles in the development of oil and gas industry, and is not separated from exploration and development. Petroleum drilling is a drilling engineering for finding hydrocarbon substances such as petroleum, natural gas and the like, and is an important link for exploring and developing petroleum and natural gas resources and an important means. In petroleum geology, the main purposes of drilling are: obtaining underground physical data, namely obtaining core, cuttings, liquid, gaseous and other physical samples from the well drilling; as a geophysical logging channel, acquiring various geophysical data of an underground rock and mineral layer; as an artificial channel, observing the underground geological condition and observing the underground fluid dynamics; and resources such as underground petroleum, natural gas, underground water, geothermal heat and the like are extracted by utilizing the shaft.
During downhole operation, a drill rod drives a drill bit to rotate by power, rock at the bottom of a well is broken in the rotating process, and meanwhile, drilling fluid is circulated to clean the bottom of the well; if the well wall collapses, a drilling sticking accident is caused, and if a drilling sticking object cannot be eliminated in time, a serious drilling accident is caused; if the well head falling object is blocked outside the drill rod joint, the drill blocking accident can be caused; the stuck objects cannot be taken out no matter how the mud circulates; if the collapse or falling objects cannot be cleared out of the wellhead in time, the drill bit can follow the drill rod to expand the shaft into a large belly shaft, and the drilling quality is seriously affected.
Disclosure of Invention
The utility model aims to solve the problems that when the well wall collapses and the well head falls down, the jamming of the drilling object is difficult to eliminate, the jamming of the drilling object is caused, and the drilling quality is affected in the existing drilling operation, and provides a milling type drill rod.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a milling type drill rod comprises a first drill rod connecting piece, a drill rod body, a second drill rod connecting piece and a drill bit which are connected in sequence; one end of the first drill rod connecting piece is used for being connected with external driving equipment; the special feature is that:
the device also comprises a first connecting section and a second connecting section;
one end of the first connecting section is connected with the other end of the first drill rod connecting piece, and the other end of the first connecting section is connected with one end of the drill rod body;
one end of the second connecting section is connected with one end of the second drill rod connecting piece, and the other end of the second connecting section is connected with the other end of the drill rod body;
and drilling alloy layers are arranged on the outer wall of the first connecting section and the outer wall of the second connecting section, and the outer surfaces of the drilling alloy layers are rough surfaces and are used for milling the stuck objects.
Further, the first connecting section is of a conical structure;
the big end of the first connecting section is connected with the other end of the first drill rod connecting piece, and the small end of the first connecting section is connected with one end of the drill rod body.
Further, the included angle between the conical surface of the first connecting section and the central axis of the drill rod body is 18 degrees plus or minus 5 degrees.
Further, the second connecting section is of a conical structure;
the big end of the second connecting section is connected with one end of the second drill rod connecting piece, and the small end of the second connecting section is connected with the other end of the drill rod body.
Further, the included angles between the conical surface of the second connecting section and the central axis of the drill rod body are 18 degrees plus or minus 5 degrees.
Further, the axial length of the first connection section is greater than 30mm±5mm.
Further, the axial length of the second connection section is greater than 30mm±5mm.
Further, the drilling alloy layer is a conical ring body and is matched with the outer wall of the first connecting section and the outer wall of the second connecting section.
Further, the drilling alloy layer is prepared by the following method:
the drilling alloy layer is welded to the outer wall of the first connecting section and the outer wall of the second connecting section through electric arc by a mixture of diamond and welding flux.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
1. according to the milling type drill rod, drilling alloy layers are arranged on the outer wall of the first connecting section and the outer wall of the second connecting section and used for drilling and grinding a stuck drill object; when the drilling rod is operated underground, if the well wall collapses or falls, the alloy layer can be drilled and milled into broken skids by the collapse well wall and the falls clamped on the drill rod body, and the broken skids can be discharged out of the well mouth along with mud circulation, so that the drilling rod clamping accident is avoided.
2. According to the milling type drill rod, the drilling alloy layer is a conical ring body and is matched with the outer wall of the first connecting section and the outer wall of the second connecting section, so that the milling efficiency is improved, the well bore is prevented from being enlarged into a large belly well bore, and the drilling quality is ensured.
3. According to the milling type drill rod, the included angles between the conical surface of the first connecting section and the conical surface of the second connecting section and the central axis of the drill rod body are 18 degrees, so that the milling type drill rod is convenient to use in cooperation with the drill rod body.
Drawings
FIG. 1 is a schematic view of a first embodiment of a drillpipe according to the present utility model;
fig. 2 is a schematic diagram of a second embodiment of a drillpipe according to the present utility model.
The reference numerals in the drawings are:
1-first drill rod connector, 2-drill rod body, 3-second drill rod connector, 4-drill bit, 5-first connecting section, 6-second connecting section, 7-drilling alloy layer.
Detailed Description
As shown in fig. 1 and 2, a milling type drill rod comprises a first drill rod connector 1, a drill rod body 2, a second drill rod connector 3, a drill bit 4, a first connecting section 5 and a second connecting section 6 which are sequentially connected; one end of the first drill rod connecting piece 1 is used for being connected with external driving equipment, one end of the first connecting section 5 is connected with the other end of the first drill rod connecting piece 1, and the other end of the first connecting section 5 is connected with one end of the drill rod body 2; one end of the second connecting section 6 is connected with one end of the second drill rod connecting piece 3, and the other end of the second connecting section 6 is connected with the other end of the drill rod body 2; the outer walls of the first connecting section 5 and the second connecting section 6 are respectively provided with a drilling alloy layer 7, and the outer surface of the drilling alloy layer 7 is a rough surface and is used for milling a stuck object.
Preferably, the first connecting section 5 and the second connecting section 6 are both conical structures; the drilling alloy layer 7 is a conical ring body and is matched with the outer wall of the first connecting section 5 and the outer wall of the second connecting section 6; the large end of the first connecting section 5 is connected with the other end of the first drill rod connecting piece 1, and the small end of the first connecting section 5 is connected with one end of the drill rod body 2; the big end of the second connecting section 6 is connected with one end of the second drill rod connecting piece 3, and the small end of the second connecting section 6 is connected with the other end of the drill rod body 2.
In this embodiment, the included angles between the conical surface of the first connecting section 5 and the conical surface of the second connecting section 6 and the central axis of the drill rod body 2 are 18 degrees, so that the drill rod is convenient to be matched with the existing drill rod. The axial length of the first connecting section 5 and the second connecting section 6 is larger than 30mm. Wherein the drilling alloy layer 7 is prepared by the following method:
the drilling alloy layer 7 is welded to the outer wall of the first connection section 5 and the outer wall of the second connection section 6 by arc welding from a mixture of diamond and solder. The diamond is synthetic diamond, and natural diamond may be used in other embodiments.
The working process of the above embodiment is specifically as follows:
when working in the pit, first drilling rod connecting piece 1, first linkage segment 5, drilling rod body 2, second linkage segment 6, second drilling rod connecting piece 3 and drill bit 4 are when the rotation, and drilling alloy layer 7 on first linkage segment 5 and the second linkage segment 6 is also being the rotation and is boring and grinding and collapse wall of a well or well head junk milling, collapse wall of a well or well head junk milling become garrulous campsis after, circulate out the well head along with the mud, have avoided the emergence of card boring accident.
Claims (9)
1. A milling type drill rod comprises a first drill rod connecting piece (1), a drill rod body (2), a second drill rod connecting piece (3) and a drill bit (4) which are connected in sequence; one end of the first drill rod connecting piece (1) is used for being connected with external driving equipment; the method is characterized in that:
the device also comprises a first connecting section (5) and a second connecting section (6);
one end of the first connecting section (5) is connected with the other end of the first drill rod connecting piece (1), and the other end of the first connecting section (5) is connected with one end of the drill rod body (2);
one end of the second connecting section (6) is connected with one end of the second drill rod connecting piece (3), and the other end of the second connecting section (6) is connected with the other end of the drill rod body (2);
the outer walls of the first connecting section (5) and the second connecting section (6) are respectively provided with a drilling alloy layer (7), and the outer surfaces of the drilling alloy layers (7) are rough surfaces and are used for milling a stuck object.
2. A drillpipe as defined in claim 1, wherein:
the first connecting section (5) is of a conical structure;
the large end of the first connecting section (5) is connected with the other end of the first drill rod connecting piece (1), and the small end of the first connecting section (5) is connected with one end of the drill rod body (2).
3. A drillpipe according to claim 2, wherein:
the included angle between the conical surface of the first connecting section (5) and the central axis of the drill rod body (2) is 18 degrees plus or minus 5 degrees.
4. A drillpipe as defined in claim 1, wherein:
the second connecting section (6) is of a conical structure;
the large end of the second connecting section (6) is connected with one end of the second drill rod connecting piece (3), and the small end of the second connecting section (6) is connected with the other end of the drill rod body (2).
5. The drillpipe as defined in claim 4, wherein:
the included angles between the conical surface of the second connecting section (6) and the central axis of the drill rod body (2) are 18 degrees plus or minus 5 degrees.
6. A drillpipe according to claim 2 or 4, characterised in that:
the axial length of the first connecting section (5) is greater than 30mm +/-5 mm.
7. The drillpipe as defined in claim 6, wherein:
the axial length of the second connecting section (6) is more than 30mm plus or minus 5mm.
8. The drillpipe as defined in claim 7, wherein:
the drilling alloy layer (7) is a conical ring body and is matched with the outer wall of the first connecting section (5) and the outer wall of the second connecting section (6).
9. The drillpipe as defined in claim 8, wherein:
the drilling alloy layer (7) is prepared by the following method:
the drilling alloy layer (7) is welded on the outer wall of the first connecting section (5) and the outer wall of the second connecting section (6) through electric arc by a mixture of diamond and welding flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663803.XU CN219548814U (en) | 2023-03-29 | 2023-03-29 | Milling type drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663803.XU CN219548814U (en) | 2023-03-29 | 2023-03-29 | Milling type drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219548814U true CN219548814U (en) | 2023-08-18 |
Family
ID=87699729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320663803.XU Active CN219548814U (en) | 2023-03-29 | 2023-03-29 | Milling type drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219548814U (en) |
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2023
- 2023-03-29 CN CN202320663803.XU patent/CN219548814U/en active Active
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