CN217354281U - Composite drill rod column for processing drilling accident - Google Patents
Composite drill rod column for processing drilling accident Download PDFInfo
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- CN217354281U CN217354281U CN202221329966.6U CN202221329966U CN217354281U CN 217354281 U CN217354281 U CN 217354281U CN 202221329966 U CN202221329966 U CN 202221329966U CN 217354281 U CN217354281 U CN 217354281U
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Abstract
The utility model relates to a composite drill rod post for handling drilling accidents belongs to drill bit technical field for the geological exploration. The technical scheme is as follows: the drill pipe comprises an upper drill pipe and a lower drill pipe, wherein the upper drill pipe is a drill pipe with a larger caliber, the lower drill pipe is a drill pipe with a smaller caliber, the drill pipe with the larger caliber is connected with the drill pipe with the smaller caliber through a detachable structure, and the inner diameter of the drill pipe with the larger caliber is larger than the outer diameter of the drill pipe with the smaller caliber. The utility model has the advantages that: the combined drilling rod column is used for processing drilling accidents, is very convenient to assemble and disassemble, can conveniently process the drilling accidents, and reduces the drilling cost.
Description
Technical Field
The utility model relates to a composite drill rod post for handling drilling accidents belongs to drilling rod technical field for the geological exploration.
Background
At present, geological exploration technology is rapidly developed, and commonly used drill rods are different in caliber specifications and are divided into a drill rod with a larger caliber and a drill rod with a smaller caliber. In the actual drilling process, due to the fact that the drilling process is complex, dozens of meters to hundreds of meters are far away from a final hole in many times, accidents occur in a well, a drill pipe is broken sometimes, a drilling tool is sunk sometimes, the well cannot be fished out, most of drill pipes at the moment are deeply buried underground, the accidents are difficult to process, the drill holes are likely to be scrapped, and great economic losses are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound drill rod post for handling and creep into accident comprises the drill rod string of two different bores, connects through detachable construction between two drill rod strings, and it is very convenient to assemble and dismantle, can convenient processing creep into the accident, reduces the probing cost, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
the utility model provides a compound drilling rod string for handling and creep into accident comprises upper portion drilling rod and lower part drilling rod, the upper portion drilling rod is great bore drilling rod, and the lower part drilling rod is less bore drilling rod, connects through detachable construction between great bore drilling rod and the less bore drilling rod, the internal diameter of great bore drilling rod is greater than the external diameter of less bore drilling rod.
The detachable construction is the drilling rod connector, and the drilling rod connector is the reducing connector, and the both ends external diameter is different, respectively with the external diameter phase-match of great bore drilling rod and less bore drilling rod, the both ends of drilling rod connector respectively with the tip threaded connection of great bore drilling rod and less bore drilling rod, great bore drilling rod, drilling rod connector and less bore drilling rod constitute a holistic compound drill string.
The diameter of the drill rod with the larger diameter is the same as that of the drill hole needing to deal with the accident.
The drilling hole needing to deal with the accident is drilled by adopting a drill rod with the same caliber as the drill rod with a larger caliber and a drill bit, the diameter of the drilling hole is the same as the caliber of the drill rod with the larger caliber, after the accident occurs, because the inner diameter of the drill rod with the larger caliber is larger than the outer diameter of the drill rod with the smaller caliber, the drill rod with the smaller caliber and the connected drill bit pass through the drill rod of the drilling hole with the accident, the bottom of the lower end of the drill rod is drilled through the hole, and the drill rod with the smaller caliber and the drill bit at the lower end of the drill rod pass through the drill rod with the larger caliber left in the drilling hole and continue to drill in the rock stratum until the final hole depth. The larger-caliber drill rod on the upper part of the smaller-caliber drill rod ensures the strength of the composite drill rod column and simultaneously ensures the aperture of the drilled hole.
If the drill rod with the larger diameter is drilled to the position where the drill rod with the larger diameter is soon touched with the drill rod left in the drill hole, the drill rod needs to be lifted, the drill rod with the smaller diameter is lengthened again, and the drilling is continued until the preset depth is reached.
The two ends of the larger-caliber drill rod are provided with joints, and the two ends of the larger-caliber drill rod are respectively provided with a larger-caliber drill rod female joint and a larger-caliber drill rod male joint; joints are arranged at two ends of the smaller-caliber drill rod, and a smaller-caliber drill rod female joint and a smaller-caliber drill rod male joint are respectively arranged at two ends of the smaller-caliber drill rod; and the larger-caliber drill rod male joint is connected with the smaller-caliber drill rod female joint through the first drill rod connecting joint.
The upper drill rod is a larger-caliber direct-connected drill rod, the lower drill rod is a smaller-caliber direct-connected drill rod, and the upper drill rod and the lower drill rod are connected through a drill rod connector II.
The both ends that the drilling rod is directly connected to great bore and the drilling rod is directly connected to less bore all are equipped with the screw thread, and drilling rod connector two is reducer union, and both ends directly connect the tip threaded connection of drilling rod and less bore directly with great bore respectively, and great bore directly connects drilling rod, drilling rod connector two and less bore directly to the drilling rod and constitutes a holistic compound drill string.
The utility model has the advantages that: the combined drilling rod column is used for processing drilling accidents, is very convenient to assemble and disassemble, can conveniently process the drilling accidents, and reduces the drilling cost.
Drawings
Fig. 1 is a schematic connection diagram according to an embodiment of the present invention;
FIG. 2 is a schematic connection diagram according to a second embodiment of the present invention;
in the figure: the device comprises a larger-caliber drill rod female joint 11, a larger-caliber drill rod 12, a larger-caliber drill rod male joint 13, a first drill rod connector 14, a smaller-caliber drill rod female joint 15, a smaller-caliber drill rod 16, a smaller-caliber drill rod male joint 17, a larger-caliber direct-connected drill rod 18, a second drill rod connector 19 and a smaller-caliber direct-connected drill rod 20.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
The utility model provides a compound drilling rod string for handling and creep into accident comprises upper portion drilling rod and lower part drilling rod, the upper portion drilling rod is great bore drilling rod, and the lower part drilling rod is less bore drilling rod, connects through detachable construction between great bore drilling rod and the less bore drilling rod, the internal diameter of great bore drilling rod is greater than the external diameter of less bore drilling rod.
The detachable structure is a drill rod connector, the drill rod connector is a reducing connector, the outer diameters of the two ends of the drill rod connector are different and are respectively matched with the outer diameters of a large-caliber drill rod and a small-caliber drill rod, the two ends of the drill rod connector are respectively in threaded connection with the end portions of the large-caliber drill rod and the small-caliber drill rod, and the large-caliber drill rod, the drill rod connector and the small-caliber drill rod form a whole composite drill string.
The diameter of the drill rod with the larger diameter is the same as that of the drill hole needing to deal with the accident.
The drilling hole needing to deal with the accident is drilled by adopting a drill rod with the same caliber as the drill rod with a larger caliber and a drill bit, the diameter of the drilling hole is the same as the caliber of the drill rod with the larger caliber, after the accident occurs, because the inner diameter of the drill rod with the larger caliber is larger than the outer diameter of the drill rod with the smaller caliber, the drill rod with the smaller caliber and the connected drill bit pass through the drill rod of the drilling hole with the accident, the bottom of the lower end of the drill rod is drilled through the hole, and the drill rod with the smaller caliber and the drill bit at the lower end of the drill rod pass through the drill rod with the larger caliber left in the drilling hole and continue to drill in the rock stratum until the final hole depth. The larger-caliber drill rod on the upper part of the smaller-caliber drill rod ensures the strength of the composite drill rod column and simultaneously ensures the aperture of the drilled hole.
If the drill rod with the larger diameter is drilled to the position where the drill rod with the larger diameter is soon touched with the drill rod left in the drill hole, the drill rod needs to be lifted, the drill rod with the smaller diameter is lengthened again, and the drilling is continued until the preset depth is reached.
Example one, refer to figure 1.
The two ends of the larger-caliber drill rod 12 are provided with joints, and the two ends of the larger-caliber drill rod 12 are respectively provided with a larger-caliber drill rod female joint 11 and a larger-caliber drill rod male joint 13; joints are arranged at two ends of the smaller-caliber drill rod 16, and a smaller-caliber drill rod female joint 15 and a smaller-caliber drill rod male joint 17 are respectively arranged at two ends of the smaller-caliber drill rod 16; the larger-caliber drill pipe male joint 13 is connected with the smaller-caliber drill pipe female joint 15 through a drill pipe connector I14.
The outer diameters of the larger-caliber drill rod female joint 11 and the larger-caliber drill rod male joint 13 are 1-3mm larger than the outer diameter of the larger-caliber drill rod body 12; the outer diameters of the smaller-caliber drill rod female joint 15 and the smaller-caliber drill rod male joint 17 are 1-3mm larger than the outer diameter of the smaller-caliber drill rod body 16.
The two ends of the larger-caliber drill rod 12 and the smaller-caliber drill rod 16 are both provided with male threads, the two ends of the larger-caliber drill rod female joint 11 and the smaller-caliber drill rod female joint 15 are both female threads, the two ends of the larger-caliber drill rod male joint 13 and the two ends of the smaller-caliber drill rod male joint 17 are respectively male and female threads, and the two ends of the first drill rod connector 14 are respectively male and female threads.
One end of the large-caliber drill rod 12 is connected with a female thread at one end of the large-caliber drill rod female joint 11 through a male thread, the other end of the large-caliber drill rod 12 is connected with a female thread end of the large-caliber drill rod male joint 13 through a male thread, a male thread end of the large-caliber drill rod male joint 13 is connected with a female thread end of the drill rod connector I14, a male thread end of the drill rod connector I14 is connected with a female thread at one end of the small-caliber drill rod female joint 15, a female thread at the other end of the small-caliber drill rod female joint 15 is connected with a male thread at one end of the small-caliber drill rod body 16, and a male thread at the other end of the small-caliber drill rod 16 is connected with a female thread end of the small-caliber drill rod male joint 17.
In the embodiment, the outer diameter of the larger-caliber drill rod is 91mm, the inner diameter of the larger-caliber drill rod is 79.4mm, the outer diameter of the male joint and the female joint of the larger-caliber drill rod is 94mm, and the inner diameter of the male joint and the female joint of the larger-caliber drill rod is 78.5 mm. The outer diameter of the drill rod with the smaller caliber is 71mm, the outer diameters of the male joint and the female joint of the drill rod with the smaller caliber are 74 mm, and meanwhile, a drill bit with the outer diameter of 77mm is matched.
Example two, combine figure 2.
The upper drill rod is a larger-caliber direct-connected drill rod 18, the lower drill rod is a smaller-caliber direct-connected drill rod 20, and the upper drill rod and the lower drill rod are connected through a second drill rod connector 19.
The both ends that the drilling rod 18 is directly connected to great bore and the drilling rod 20 is directly connected to less bore all are equipped with the screw thread, and drilling rod connector two 19 is the reducing joint, and both ends directly connect the tip threaded connection of drilling rod 18 and the drilling rod 20 with less bore directly with great bore respectively, and great bore directly connects drilling rod 18, drilling rod connector two 19 and the drilling rod 20 is directly connected to less bore to constitute a holistic compound drill string.
In this embodiment, the outer diameter of the drill rod body of the larger-caliber direct-connection drill rod 18 is 89mm, the inner diameter is 77.8mm, the outer diameter of the smaller-caliber direct-connection drill rod 20 is 71mm, and meanwhile, a drill bit with the outer diameter of 75.3mm is matched.
Claims (6)
1. A composite drill string for use in addressing drilling incidents, characterized by: the drill pipe comprises an upper drill pipe and a lower drill pipe, wherein the upper drill pipe is a drill pipe with a larger caliber, the lower drill pipe is a drill pipe with a smaller caliber, the drill pipe with the larger caliber is connected with the drill pipe with the smaller caliber through a detachable structure, and the inner diameter of the drill pipe with the larger caliber is larger than the outer diameter of the drill pipe with the smaller caliber.
2. A composite drill string for managing drilling events as recited in claim 1, wherein: the detachable structure is a drill rod connector, the drill rod connector is a reducing connector, the outer diameters of the two ends of the drill rod connector are different and are respectively matched with the outer diameters of a large-caliber drill rod and a small-caliber drill rod, the two ends of the drill rod connector are respectively in threaded connection with the end portions of the large-caliber drill rod and the small-caliber drill rod, and the large-caliber drill rod, the drill rod connector and the small-caliber drill rod form a whole composite drill string.
3. A composite drill string for use in handling drilling events according to claim 1 or 2, wherein: the diameter of the drill rod with the larger diameter is the same as that of the drill hole needing to deal with the accident.
4. A composite drill string for use in handling drilling events as defined in claim 2, wherein: joints are arranged at two ends of the larger-caliber drill rod (12), and a larger-caliber drill rod female joint (11) and a larger-caliber drill rod male joint (13) are respectively arranged at two ends of the larger-caliber drill rod (12); joints are arranged at two ends of the smaller-caliber drill rod (16), and a smaller-caliber drill rod female joint (15) and a smaller-caliber drill rod male joint (17) are respectively arranged at two ends of the smaller-caliber drill rod (16); the larger-caliber drill rod male joint (13) is connected with the smaller-caliber drill rod female joint (15) through a drill rod connecting head I (14).
5. A composite drill string for use in handling drilling events as defined in claim 2, wherein: the upper drill rod is a larger-caliber direct-connected drill rod (18), the lower drill rod is a smaller-caliber direct-connected drill rod (20), and the upper drill rod and the lower drill rod are connected through a drill rod connector II (19).
6. A composite drill string for managing drilling events as recited in claim 5, wherein: the both ends that drilling rod (18) are directly connected to great bore and less bore directly link drilling rod (20) all are equipped with the screw thread, and drilling rod connector two (19) are the reducing joint, and both ends directly link the tip threaded connection of drilling rod (18) and less bore directly with great bore respectively, and great bore directly links drilling rod (18), drilling rod connector two (19) and less bore directly links drilling rod (20) and constitutes a holistic compound drill string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329966.6U CN217354281U (en) | 2022-05-31 | 2022-05-31 | Composite drill rod column for processing drilling accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329966.6U CN217354281U (en) | 2022-05-31 | 2022-05-31 | Composite drill rod column for processing drilling accident |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354281U true CN217354281U (en) | 2022-09-02 |
Family
ID=83017321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221329966.6U Active CN217354281U (en) | 2022-05-31 | 2022-05-31 | Composite drill rod column for processing drilling accident |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354281U (en) |
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2022
- 2022-05-31 CN CN202221329966.6U patent/CN217354281U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite drill string for handling drilling accidents Effective date of registration: 20230807 Granted publication date: 20220902 Pledgee: China Construction Bank Co.,Ltd. Tangshan Jidong Oilfield sub branch Pledgor: Golden stone drilling (Tangshan) Limited by Share Ltd. Registration number: Y2023110000322 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |