CN207110991U - A kind of well cleaning function type drilling rod - Google Patents
A kind of well cleaning function type drilling rod Download PDFInfo
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- CN207110991U CN207110991U CN201721347232.XU CN201721347232U CN207110991U CN 207110991 U CN207110991 U CN 207110991U CN 201721347232 U CN201721347232 U CN 201721347232U CN 207110991 U CN207110991 U CN 207110991U
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- drilling rod
- cleaning function
- function type
- well cleaning
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Abstract
The utility model provides a kind of well cleaning function type drilling rod, wherein described body is welded to connect with female adapter and male connection respectively, body has weld seam with female adapter and male connection weld；Body interposition installs thickening section, thickeies the both ends that section intersects with body and is machined with conical section respectively, and it is cylindrical section to thicken section middle；Female adapter and male connection are machined with the internal thread and external screw thread that can be cooperated respectively；Advantage is：Drilling rod rotation disturbs drilling fluid, well liquid fluidised form is changed, improves the large rock-carrying ability of drilling fluid；Because drilling rod disturbs, make the landwaste for being deposited on borehole bottom disturbed, drilling fluid into turbulent shape is carried over well, play a part of cleaning well, effectively reduce the sand setting in drilling process, the problems such as mill resistance of drill string and backing pressure, reduce short trip, mud circulation well cleanup activity duration and the risk for reducing underground complex accident of drill string.
Description
Technical field
Well drilling rod field is the utility model is related to, more particularly, to a kind of well cleaning function type drilling rod.
Background technology
Drilling rod is oil and gas exploration and the important tool in exploitation, and drill pipe joint is formed by the connection of tool joint
Whole drill string.Drill string is the circulation canal of cleaner for high-pressure drilling fluid, lubricates by cleaner for high-pressure drilling fluid, cools down drill bit, takes away drill bit and break
Broken landwaste.Conventional drill string, do not possess the function of helping drilling fluid to take rock, therefore, in horizontal well, especially horizontal segment length
In the construction of horizontal well and extended reach well, can usually there are backing pressure, the resistance of drill string mill greatly, or even can be because borehole well instability cause landwaste
A large amount of heaps move, there is the underground such as blocked portion of drill string complex accident, in addition make drill string fill and cause drilling fail.Reason is
Landwaste will be in the very long distance of well section migration, and due to the effect of gravity and the limitation of Improving Mud Carrying Capacity, landwaste is being transported
To gradually it sink in shifting, and finally sinking forms the cutting bed of borehole bottom, increased with the thickness of cutting bed to the bottom of well
Adding, slurry channel will diminish, and mud large rock-carrying ability will further decrease, and the thickness of cutting bed further increases, the backing pressure of drill string,
Mill resistance increase, the underground such as blocked portion of drill string complex accident occur sees dangerous increase.
The content of the invention
The purpose of this utility model is to solve the deficiencies in the prior art, and provides a kind of well cleaning function type and bore
Bar.
The new technical scheme of the utility model is：A kind of well cleaning function type drilling rod, including body, female adapter and
Male connection, body are welded to connect with female adapter and male connection respectively, body and female adapter and external screw thread
There is weld seam at weld；Body interposition installs thickening section, thickeies the both ends that section intersects with body and is machined with conical section respectively,
It is cylindrical section to thicken section middle；Female adapter and male connection are machined with the internal thread that can be cooperated and outer spiral shell respectively
Line.
The thickening section external diameter diameter is smaller 25.4 ~ 50.8mm than the external diameter diameter of female adapter.
The section length that thickeies is 1800 ~ 2200m.
The conical degree of conical surface for thickening the conical section on section is 1：14~1：18.
The cylinder segment length for thickening section is 220 ~ 280mm, and cylindrical section is processed into the conical surface with thickening abridged edition body intersection,
Taper is 13 ~ 18 °.
The both sides conical section is machined with the spiral type groove of 3 deciles respectively, and 3 deciles on the conical section of both sides
The position and direction of spiral type groove are distributed centered on cylindrical section in mirror-reflection.
Described spiral type groove base diameter is bigger 6 ~ 10mm than outer tube diameter, and groove width is 1/5 ~ 1/7 circumference.
The axial groove of 3 deciles, the position of groove circumferentially and spiral type groove one are machined with the cylindrical section
Cause.
4 wear-resistant strips are machined with described female adapter and male connection respectively, the width of per pass wear-resistant strip is
19.1 ~ 25.4mm, hardness are more than HRC56.
Described body can form with female adapter and male connection for overall processing.
The beneficial effects of the utility model are：The utility model is after drill string is connected, using thick section among drilling rod certainly
The structure design of body, make the drilling fluid of laminar flow shape when by the drilling rod, because drilling rod is from disturbance drilling fluid is transferred, make drilling well
The fluidised form of liquid changes, and is changed into turbulent flow from laminar flow, so as to improve the large rock-carrying ability of drilling fluid.Simultaneously as the disturbance of drilling rod,
Make the landwaste for being deposited on borehole bottom disturbed, well is carried over into the drilling fluid of turbulent shape, it is clear so as to serve
The effect of clean well, can effectively reduce the sand setting in drilling process, the problems such as the mill resistance of drill string and backing pressure, reduce the short of drill string
Journey makes a trip, the mud circulation well cleanup activity duration and reduce underground complex accident risk.The well cleaning function type drilling rod is fitted
For the drillng operation of various complex working conditions, the horizontal well and extended reach well of the long horizontal sections that are particularly suitable for use in.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of welded type well cleaning function type drilling rod.
Fig. 3 is the structural representation of well cleaning function type drilling rod interlude.
Wherein：1 be internal thread, 2 be female adapter, 3 be body, 4 be thicken section, 5 be cylindrical section, 6 be conical section, 7
It is external screw thread for male connection, 8,9 be wear-resistant strip, 10 be weld seam, 11 be spiral type groove, 12 be the conical surface, 13 is axial ditch
Groove.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
A kind of well cleaning function type drilling rod, including body 3, female adapter 2 and male connection 7, body 3 respectively with
Female adapter 2 and male connection 7 are welded to connect, and body 3 has weld seam with female adapter 2 and the weld of male connection 7
10；The interposition of body 3 installs thickening section 4, thickeies the both ends that section 4 intersects with body 3 and is machined with conical section 6 respectively, thickeies in section 4
Between place be cylindrical section 5；Female adapter 2 and male connection 7 are machined with the internal thread 1 and external screw thread 8 that can be cooperated respectively.
4 external diameter diameters of the thickening section are smaller 25.4 ~ 50.8mm than the external diameter diameter of female adapter 2.
4 length of section that thicken are 1800 ~ 2200m.
The taper of the conical surface 12 for thickening the conical section 6 on section 4 is 1：14~1：18.
The length of cylindrical section 5 for thickening section 4 is 220 ~ 280mm, and cylindrical section 5 is processed into thickening 4 body intersections of section
The conical surface 12, taper are 13 ~ 18 °.
The both sides conical section 6 is machined with the spiral type groove 11 of 3 deciles, and 3 on both sides conical section 6 etc. respectively
The position and direction of the spiral type groove 11 divided are distributed centered on cylindrical section 5 in mirror-reflection.
Described 11 diameters of bottom spiral type groove are bigger 6 ~ 10mm than the external diameter of body 3, and groove width is 1/5 ~ 1/7 circumference.
It is machined with the axial groove 13 of 3 deciles on the cylindrical section 5, groove position circumferentially and spiral type groove
11 is consistent.
4 wear-resistant strips 9, the width of per pass wear-resistant strip 9 are machined with respectively in described female adapter 2 and male connection 7
Spend and be more than HRC56 for 19.1 ~ 25.4mm, hardness.
Described body 3 can form with female adapter 2 and male connection 7 for overall processing.
Claims (10)
1. a kind of well cleaning function type drilling rod, including body（3）, female adapter（2）And male connection（7）, its feature
It is：Body（3）Respectively with female adapter（2）And male connection（7）It is welded to connect, body（3）With female adapter（2）
And male connection（7）Weld has weld seam (10)；Body（3）Interposition installs thickening section（4）, thicken section（4）With body（3）
Intersecting both ends are machined with conical section respectively（6）, thicken section（4）Middle is cylindrical section（5）；Female adapter（2）With outer spiral shell
Line joint（7）The internal thread that can be cooperated is machined with respectively（1）And external screw thread（8）.
A kind of 2. well cleaning function type drilling rod according to claim 1, it is characterised in that：It is described to thicken section（4）External diameter
Diameter compares female adapter（2）The small 25.4 ~ 50.8mm of external diameter diameter.
A kind of 3. well cleaning function type drilling rod according to claim 1, it is characterised in that：It is described to thicken section（4）Length
For 1800 ~ 2200m.
A kind of 4. well cleaning function type drilling rod according to claim 1, it is characterised in that：It is described to thicken section（4）On
Conical section（6）The conical surface (12) taper be 1：14~1：18.
A kind of 5. well cleaning function type drilling rod according to claim 1, it is characterised in that：It is described to thicken section（4）Circle
Shell of column（5）Length is 220 ~ 280mm, cylindrical section（5）Saved with thickening（4）The conical surface (12) is processed into body intersection, and taper is 13 ~
18°。
A kind of 6. well cleaning function type drilling rod according to claim 1, it is characterised in that：The both sides conical section（6）
The spiral type groove (11) of 3 deciles, and both sides conical section are machined with respectively（6）On 3 deciles spiral type groove (11)
Position and direction with cylindrical section（5）Centered in mirror-reflection be distributed.
A kind of 7. well cleaning function type drilling rod according to claim 6, it is characterised in that：Described bottom spiral type groove
(11) portion's diameter compares body（3）Big 6 ~ the 10mm of external diameter, groove width are 1/5 ~ 1/7 circumference.
A kind of 8. well cleaning function type drilling rod according to claim 1, it is characterised in that：The cylindrical section（5）It is upper to add
Work has the axial groove of 3 deciles（13）, the position of groove circumferentially and spiral type groove (11) are consistent.
A kind of 9. well cleaning function type drilling rod according to claim 1, it is characterised in that：Described female adapter
（2）And male connection（7）Upper to be machined with 4 wear-resistant strips (9) respectively, the width of per pass wear-resistant strip (9) is 19.1 ~ 25.4mm,
Hardness is more than HRC56.
A kind of 10. well cleaning function type drilling rod according to claim 1, it is characterised in that：Described body（3）With it is interior
Nipple（2）And male connection（7）It can be formed for overall processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721347232.XU CN207110991U (en) | 2017-10-19 | 2017-10-19 | A kind of well cleaning function type drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721347232.XU CN207110991U (en) | 2017-10-19 | 2017-10-19 | A kind of well cleaning function type drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207110991U true CN207110991U (en) | 2018-03-16 |
Family
ID=61587455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721347232.XU Active CN207110991U (en) | 2017-10-19 | 2017-10-19 | A kind of well cleaning function type drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207110991U (en) |
-
2017
- 2017-10-19 CN CN201721347232.XU patent/CN207110991U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 257091, east of Quanzhou Road, Dongying Development Zone, Shandong Province, north of Fu Bei Road Patentee after: Shandong Weima Equipment Technology Co., Ltd Address before: 257091, east of Quanzhou Road, Dongying Development Zone, Shandong Province, north of Fu Bei Road Patentee before: DONGYING WEIMA PETROLEUM DRILLING TOOLS Co.,Ltd. |