CN208777903U - Negative pulse cutting bed removes drilling rig - Google Patents
Negative pulse cutting bed removes drilling rig Download PDFInfo
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- CN208777903U CN208777903U CN201821475630.4U CN201821475630U CN208777903U CN 208777903 U CN208777903 U CN 208777903U CN 201821475630 U CN201821475630 U CN 201821475630U CN 208777903 U CN208777903 U CN 208777903U
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- negative pulse
- cutting bed
- pulse
- mounting cylinder
- landwaste
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Abstract
The utility model relates to downhole debris bed cleanout tool technical fields, are a kind of negative pulse cutting bed removing drilling rigs comprising drilling rod, drill bit and negative pulse cutting bed cleanout tool；Negative pulse landwaste cleanout tool is fixedly installed between drilling rod and drill bit, negative pulse landwaste cleanout tool includes negative pulse mounting cylinder and the mud pulse generator that can generate negative pulse.The utility model reasonable and compact in structure, it is easy to use, the cutting bed on the continuous impact borehole wall of negative pulse is discharged by negative pulse landwaste cleanout tool, achieve the effect that Cutting Disposal, the undesirable problem of conventional means Cutting Disposal effect is improved, the means of cutting bed removing are increased, the utility model size is suitable with drill collar size, less than centralizer size, the risk of bit freezing easily occurs for the cutting bed remover for reducing centralizer form.
Description
Technical field
The utility model relates to downhole debris bed cleanout tool technical fields, are a kind of negative pulse cutting bed removing drilling tool dresses
It sets.
Background technique
Extensive use with the country to horizontal well technology, horizontal well have become the weight in Efficient Development oil field under conditions present
Want means.New oil field Oil Reservoir Types become increasingly complex, old filed is taped the latent power under the increasing situation of difficulty facing, and improve oil field
Development benefit, Efficient Development marginal oil field, improves oil recovery to greatest extent, becomes the target that petroleum industry is pursued jointly.
During horizontal well construction, the landwaste generated in drilling process can be deposited in the low side of High angle well section, horizontal segment, wellbore and be formed
Cutting bed, cutting bed will lead to bit pressure and can not effectively transmit, increase that downhole assembly frictional resistance, rate of penetration are slow, remove
Brill is hampered the problems such as effectively causing bit freezing.
Scene is common to strengthen hydraulic parameters, improves the methods of drilling fluid ratio of dynamic shear force/yield value to plastic viscosity, short trip Cutting Disposal, but rock
It is undesirable to consider bed elimination effect to be worth doing.Some horizontal well application cutting bed cleanout tools carry out Cutting Disposal, and common cutting bed is removed
Tool is added based on deficient size centralizer with drilling rod ontology mostly, in cutting bed well section rotary tools, passes through centralizer rotation failure
Cutting bed, but there are bit freezing risks in underground for such centralizer cutting bed cleanout tool.
Summary of the invention
The utility model provides a kind of negative pulse cutting bed and removes drilling rig, overcome the above-mentioned prior art no
Foot can effectively solve the Method and kit for of current Cutting Disposal High angle well section and horizontal segment in horizontal well and landwaste occur
Bed removes difficult problem.
The technical solution of the utility model is realized by following measures: a kind of negative pulse cutting bed removing drilling tool dress
It sets, including drilling rod, drill bit and negative pulse cutting bed cleanout tool；It is clear that negative pulse landwaste is fixedly installed between drilling rod and drill bit
Except tool, negative pulse landwaste cleanout tool includes negative pulse mounting cylinder and the mud pulse generator that can generate negative pulse, negative arteries and veins
The right end of the left end and drilling rod that rush mounting cylinder is fixedly installed togather, the fixed peace of the right end of negative pulse mounting cylinder and the left end of drill bit
It is fitted together, mud pulse generator is installed in negative pulse mounting cylinder, is provided in switch in mud pulse generator
Valve corresponds to and is provided with pulse transmission channel on the negative pulse mounting cylinder of mud pulse generator.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
The left end of above-mentioned negative pulse mounting cylinder and the right end of drilling rod are threadably secured and are installed together, negative pulse mounting cylinder
Right end and the left end of drill bit be threadably secured and be installed together.
The utility model reasonable and compact in structure, it is easy to use, negative pulse is discharged by negative pulse landwaste cleanout tool
Cutting bed constantly on the impact borehole wall, achievees the effect that Cutting Disposal, improves conventional means Cutting Disposal effect and pay no attention to
The problem of thinking increases the means of cutting bed removing, and the utility model size is suitable with drill collar size, is less than centralizer size,
The risk of bit freezing easily occurs for the cutting bed remover for reducing centralizer form.
Detailed description of the invention
Attached drawing 1 is the broken section structural schematic diagram of the best embodiment of the utility model.
Coding in attached drawing is respectively as follows: 1 for drilling rod, and 2 be drill bit, and 3 be negative pulse mounting cylinder, and 4 be mud pulse generator.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: the positional relationship of upper and lower, left and right is the Butut according to Figure of description
Direction determines.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1, it includes that drilling rod 1, drill bit 2 and negative pulse cutting bed are clear which, which removes drilling rig,
Except tool；Negative pulse landwaste cleanout tool is fixedly installed between drilling rod 1 and drill bit 2, negative pulse landwaste cleanout tool includes
Negative pulse mounting cylinder 3 and the mud pulse generator 4 that negative pulse can be generated, the left end of negative pulse mounting cylinder 3 and the right end of drilling rod 1
It is fixedly installed togather, the left end of the right end and drill bit 2 of negative pulse mounting cylinder 3 is fixedly installed togather, in negative pulse mounting cylinder 3
Mud pulse generator 4 is inside installed, switch internal valve, corresponding mud pulse generator 4 are provided in mud pulse generator 4
Negative pulse mounting cylinder 3 on be provided with pulse transmission channel.
Mud pulse generator 4 is tool known to oil drilling industry, is mainly used in the horizontal well of directional well originally
In measurement while drilling well track parameter.
Working principle of the utility model is: by the switch internal valve in mud pulse generator 4, make a small amount of drilling fluid from
Pulse transmission channel flows to bore hole annulus, and the drilling well flow velocity released is being bored much larger than the upward velocity of drilling fluid in annular space
A small amount of pressure change is generated in column, thus generates negative pulse, with the rotation of drill string, the drilling fluid of outflow constantly impacts the borehole wall
On cutting bed, achieve the effect that Cutting Disposal, the landwaste of removing is taken out of landwaste by the drilling fluid returned in annular space, is solved
Certainly horizontal well wellbore cutting bed removes rare problem, reduces the risk of underground adherency bit freezing.
The utility model discharges the cutting bed on the continuous impact borehole wall of negative pulse by negative pulse landwaste cleanout tool, reaches
To the effect of Cutting Disposal, the undesirable problem of conventional means Cutting Disposal effect is improved, increases cutting bed removing
Means, the utility model size is suitable with drill collar size, is less than centralizer size, the cutting bed for reducing centralizer form is clear
Except the risk of bit freezing easily occurs for device.
Can drilling rig be removed to above-mentioned negative pulse cutting bed and made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, the right end of the left end of negative pulse mounting cylinder 3 and drilling rod 1, which is threadably secured, is installed together, and bears
The left end of the right end of pulse mounting cylinder 3 and drill bit 2, which is threadably secured, to be installed together.Threaded connection facilitates installation and removal.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (2)
1. a kind of negative pulse cutting bed removes drilling rig, it is characterised in that removed including drilling rod, drill bit and negative pulse cutting bed
Tool；Negative pulse landwaste cleanout tool is fixedly installed between drilling rod and drill bit, negative pulse landwaste cleanout tool includes negative arteries and veins
It rushes mounting cylinder and the mud pulse generator of negative pulse can be generated, the left end of negative pulse mounting cylinder and the right end of drilling rod are fixedly mounted
Together, the right end of negative pulse mounting cylinder and the left end of drill bit are fixedly installed togather, and are equipped with mud in negative pulse mounting cylinder
Impulse generator is starched, switch internal valve, the negative pulse installation of corresponding mud pulse generator are provided in mud pulse generator
Pulse transmission channel is provided on cylinder.
2. negative pulse cutting bed according to claim 1 removes drilling rig, it is characterised in that a left side for negative pulse mounting cylinder
It holds to be threadably secured with the right end of drilling rod and be installed together, the right end of negative pulse mounting cylinder and the left end of drill bit are solid by screw thread
Dingan County is fitted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475630.4U CN208777903U (en) | 2018-09-10 | 2018-09-10 | Negative pulse cutting bed removes drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475630.4U CN208777903U (en) | 2018-09-10 | 2018-09-10 | Negative pulse cutting bed removes drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208777903U true CN208777903U (en) | 2019-04-23 |
Family
ID=66160409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821475630.4U Active CN208777903U (en) | 2018-09-10 | 2018-09-10 | Negative pulse cutting bed removes drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208777903U (en) |
-
2018
- 2018-09-10 CN CN201821475630.4U patent/CN208777903U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201104 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 Directional Well Company, No. 98 Youyi Road, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |