CN209780815U - sea area rapid drilling tool - Google Patents
sea area rapid drilling tool Download PDFInfo
- Publication number
- CN209780815U CN209780815U CN201920436285.1U CN201920436285U CN209780815U CN 209780815 U CN209780815 U CN 209780815U CN 201920436285 U CN201920436285 U CN 201920436285U CN 209780815 U CN209780815 U CN 209780815U
- Authority
- CN
- China
- Prior art keywords
- inner tube
- core
- drilling
- coring
- assembly
- 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
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a sea area rapid drilling instrument: the cable core-taking device comprises a cable core-taking outer tube assembly and a cable core-taking inner tube assembly, wherein the cable core-taking outer tube assembly comprises a joint, an outer tube and a drill bit, the cable core-taking inner tube assembly comprises a first type inner tube and a second type inner tube, the first type inner tube comprises a core-supplementing rod assembly and a core-supplementing drill bit, and the second type inner tube comprises a core-taking rod assembly and a core-taking barrel. The utility model discloses can directly realize creeping into comprehensively, improve and creep into efficiency, change the scheme of drilling tool, drill bit, implement promptly and core and creep into.
Description
Technical Field
The utility model belongs to the well drilling field, specific theory more specifically relates to a sea area rapid drilling instrument.
Background
The sampling aims to obtain the sample data of the submarine natural gas hydrate reservoir and provide analysis for the formation condition change before and after trial production. And arranging coring work according to geological requirements, adopting full-hole coring or target layer coring, and adopting a pressure-maintaining coring mode for a hydrate reservoir. In order to improve the sea sampling efficiency, a rope coring system is suggested.
In the trial production process, the trial production target requirement needs to be met preferentially, and coring work is not arranged temporarily before the production well successfully completes the trial production task. The method can consider whether coring operation is arranged or not according to actual requirements in the drilling process of the monitoring well after the production well completes trial production according to the target, and analyze the change of the stratum condition after trial production.
the operation time can be increased by the core drilling relatively to the comprehensive drilling, and at present, 2 to 3 hours are consumed in each time in the process of carrying out pressure maintaining sampling operation at 1300 m water depth actually, so that if the core drilling needs to be arranged, the core drilling is recommended to be carried out only at the target horizon of the hydrate without adopting the full-hole core drilling.
according to the principle, the pilot production task is firstly considered to be met in the field equipment material matching, and meanwhile, the field operation capability is considered to meet the requirement of the coring drilling task.
SUMMERY OF THE UTILITY MODEL
the utility model aims at overcoming the defects in the prior art, providing a sea area rapid drilling tool, which does not need coring, and can directly realize comprehensive drilling by throwing a first type inner tube into a rope coring outer tube assembly, thereby improving the drilling efficiency; in the process of drilling needing coring drilling, the scheme of replacing a drilling tool and a drill bit is that the second type of inner pipe is thrown into the rope coring outer pipe assembly, namely, the coring drilling is implemented.
The purpose of the utility model can be realized by the following technical scheme.
The utility model discloses sea area fast drilling instrument, including rope coring outer tube assembly and rope coring inner tube assembly, rope coring outer tube assembly is including joint, outer tube and the drill bit that from top to bottom connects gradually, rope coring inner tube assembly includes first type inner tube and second type inner tube, first type inner tube includes interconnect's benefit core rod assembly and benefit core drill bit, second type inner tube includes interconnect's a coring rod assembly and a coring section of thick bamboo.
The first type of inner tube is used for direct full face drilling and the second type of inner tube is used for core drilling.
Compared with the prior art, the utility model discloses a beneficial effect that technical scheme brought is:
the utility model discloses well rope coring inner tube assembly includes first type inner tube and second type inner tube, in the drilling work of pilot production well, the position that does not need coring, can directly realize comprehensive drilling to rope coring outer tube assembly input first type inner tube, improves and creeps into efficiency; in order to improve the whole drilling sampling efficiency, if the arrangement of coring drilling is needed, in the process of drilling needing coring drilling, the scheme of replacing a drilling tool and a drill bit is adopted, and the coring drilling is implemented by adopting a central throwing type to throw the second type inner pipe into the rope coring outer pipe assembly.
Drawings
Fig. 1 is an assembly schematic diagram of a middle wire coring outer tube assembly and a first type inner tube according to the present invention.
Fig. 2 is an assembly schematic diagram of a middle core outer tube assembly and a second type inner tube according to the present invention.
Reference numerals: 1 joint, 2 outer tubes, 3 drill bits, 4 bushing rod assemblies,
5 a core-supplementing drill bit, 6 a core rod assembly and 7 a core barrel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses sea area fast drilling instrument, including rope coring outer tube assembly and rope coring inner tube assembly, rope coring outer tube assembly is including joint 1, outer tube 2 and the drill bit 3 that from top to bottom connects gradually, rope coring inner tube assembly includes first type inner tube and second type inner tube, first type inner tube includes interconnect's benefit heart pole assembly 4 and benefit heart drill bit 5, second type inner tube includes interconnect's coring rod assembly 6 and a section of thick bamboo 7. Full drilling can be directly implemented by adopting the first type of inner pipe, and coring drilling can be implemented by adopting the second type of inner pipe.
The utility model discloses sea area fast drilling instrument's combination:
(1) The drill tool assembly is suggested to take the following modes: the cable core-taking device comprises a cable core-taking inner tube assembly, a lower centralizer, a cable core-taking outer tube assembly, a drill collar, a centralizer and a drill rod.
(2) The requirements for the equipment of drill rod, drill collar and centralizer
When the drill rod, the drill collar and the centralizer are suggested to be matched, firstly, the requirements of strength, hydraulic parameters and the like of the drill rod for comprehensive drilling are preferentially met, meanwhile, the requirement of core drilling is considered, and the core drilling can be completed without replacing the drill rod, the drill collar and the centralizer when core drilling is required. In order to meet the core drilling, the suggested specific parameter requirements are as follows:
Meeting the strength requirement, wherein the steel grade is not lower than S140;
the inner diameters of the drill rod, the drill collar and the centralizer are not less than 104.7mm, so that the passing requirement of the sampler is met;
And thirdly, an inner flat and outer thickened structure is suggested.
According to the designed hole depth and well body structure, a drill rod and a drill collar with enough length are matched.
(3) Selecting a drill bit: the PDC drill bit is recommended to be selected according to the characteristics of the seabed hydrate reservoir stratum and the implementation requirement of coring; the inner diameter of the drill bit is matched with the sampler, and the outer diameter of the drill bit is determined according to the specific drilling design.
The utility model discloses sea area rapid drilling instrument's the corollary equipment and the place demand of the process of creeping into:
(1) The sea area wire line coring drilling sampling needs to be equipped with a wellhead device (a marine riser system) or a special sampling base plate, and the inner drift diameters of the wellhead device and the sampling base plate need to meet the passing requirement of a drilling tool assembly.
(2) In order to improve the field operation efficiency, the number of the matched field quick drilling tools in the sea area is not less than 2/type, and the number of the universal fishers is 1.
The utility model discloses sea area rapid drilling method, including following step:
The first step is as follows: the joint 1, the outer pipe 2 and the drill bit 3 are connected, and the rope coring outer pipe assembly is assembled and then is put into a well;
The second step is that: in the position where coring is not needed during drilling, a first type of inner pipe consisting of a core rod assembly 4 and a core bit 5 is directly thrown into a rope coring outer pipe assembly by using a fishing mechanism, and as shown in figure 1, a combined type comprehensive bit can be formed and comprehensive drilling can be directly implemented.
the third step: in the process of core drilling required by a drilling well position, the core rod assembly 4 and the core bit 5 are taken to a deck through a salvaging mechanism, then a second type inner pipe consisting of the core rod assembly 6 and the core barrel 7 is sent into the rope core outer pipe assembly through the salvaging mechanism, as shown in figure 2, core drilling is carried out, and the rope core outer pipe assembly and the second type inner pipe are taken to the deck after core drilling is completed.
although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above specific functions and operations, and the above specific embodiments are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (2)
1. The utility model provides a sea area fast drilling instrument, includes rope coring outer tube assembly and rope coring inner tube assembly, its characterized in that, rope coring outer tube assembly is including joint (1), outer tube (2) and drill bit (3) that from top to bottom connect gradually, rope coring inner tube assembly includes first type inner tube and second type inner tube, first type inner tube includes interconnect's benefit core rod assembly (4) and benefit core drill bit (5), second type inner tube includes interconnect's coring rod assembly (6) and a coring section of thick bamboo (7).
2. marine field rapid drilling tool according to claim 1, characterized in that the first type of inner tube is used for direct full face drilling and the second type of inner tube is used for core drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436285.1U CN209780815U (en) | 2019-04-02 | 2019-04-02 | sea area rapid drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436285.1U CN209780815U (en) | 2019-04-02 | 2019-04-02 | sea area rapid drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780815U true CN209780815U (en) | 2019-12-13 |
Family
ID=68801039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920436285.1U Active CN209780815U (en) | 2019-04-02 | 2019-04-02 | sea area rapid drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780815U (en) |
-
2019
- 2019-04-02 CN CN201920436285.1U patent/CN209780815U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105113987A (en) | Soft-hard interbedding coal seam bedding measurement while drilling (MWD) orientation drilling equipment and construction method thereof | |
| CN102296950B (en) | Hydraulic shearing type sampling drilling tool | |
| CN205713966U (en) | A kind of combined type ocean gas hydrate seismic exploration drilling tool | |
| CN104196479A (en) | Electromagnetic measurement while drilling system for wire line core drilling | |
| CN110805404A (en) | Claw spring type double-tube sampling drilling tool | |
| CN108625807A (en) | A kind of engineering exploration cord coring drill suitable for seabed drilling machine | |
| CN207194856U (en) | A kind of sea bed gas hydrate rock core coring drilling with keep up pressure drilling tool | |
| CN216008444U (en) | Clear water drilling core drill suitable for argillization interlayer stratum | |
| CN209780815U (en) | sea area rapid drilling tool | |
| CN102661147B (en) | Advanced telescopic sampling drilling tool | |
| CN110984878B (en) | Rope coring drilling device for urban deep-buried tunnel exploration hole | |
| CN114809965B (en) | Method for drilling 275 mm-level large-diameter undisturbed sample from 120m ultra-deep coating | |
| CN214273581U (en) | Lifting drilling type large-diameter well bottom in-situ pressure maintaining coring drilling tool | |
| CN113445951B (en) | Clear water drilling coring method suitable for argillized interlayer stratum | |
| CN211115979U (en) | Low-disturbance sampling device for various ocean stratums | |
| CN103321579B (en) | Multi-claw drill suitable for loosening earth surface soil texture formed holes | |
| CN110685604B (en) | Self-adjusting double-pipe drilling tool for drilling in soft and hard uneven sandy soil layer | |
| CN210217679U (en) | Small well bore sleeve milling, making and buckling, fishing and well repairing tool | |
| CN109826577A (en) | Sea area rapid drilling tool and method | |
| CN206801511U (en) | Suitable for the geology coring bit of loose boulder bed | |
| CN109372485B (en) | Fracturing monitoring production allocation device for gas well | |
| CN114458200A (en) | Underwater wellhead cutting and recycling tool and using method thereof | |
| CN206681728U (en) | Impact telescopic sampling drilling tool | |
| CN206346700U (en) | Double-jacket tube composite sheet coring bit | |
| CN214424441U (en) | Combined double-pipe reducing joint and drilling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |