CN205172557U - Along with boring inclinometer anticreep key guide shoe - Google Patents
Along with boring inclinometer anticreep key guide shoe Download PDFInfo
- Publication number
- CN205172557U CN205172557U CN201520974542.9U CN201520974542U CN205172557U CN 205172557 U CN205172557 U CN 205172557U CN 201520974542 U CN201520974542 U CN 201520974542U CN 205172557 U CN205172557 U CN 205172557U
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- guide shoe
- spring leaf
- annular slot
- directional tool
- key
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Abstract
The utility model provides an along with boring inclinometer anticreep key guide shoe, include to be used for overlapping the guide shoe body of connecting (1) along with boring the inclinometer lower extreme with the circulation that set up around ring groove (3) of guide shoe body circumference at radial guide slot (4) left end of the guide shoe body (1), this ring groove (3) and radial guide slot (4) communicate with each other, ring groove (3) internal fixation has annular spring leaf (2), and the position that spring leaf (2) are located radial guide slot (4) left end port is equipped with an opening. The utility model discloses after the key was successfully sat to the instrument, the interior spring leaf automatic re -setting of the ring groove of guide shoe blocked instrument guide shoe position, reaches the effect of anticreep key. Can salvage with fishing tool when unusual situation appearing in the pit simultaneously, the at utmost is reduced the loss, its in use possible permanent durable and the advantage that has not influenced time instrument to simple structure, safe and reliable, convenient operation, application scope is big, can be extensive promote at drilling site.
Description
Technical field
The utility model relates to the drilling engineering technical field in oil, colliery and geological prospecting, particularly a kind of directional tool key-separation guide shoe, can be applicable to the special well such as horizontal well, directional well using MWD.
Background technology
Situ of drilling well is when using wireless drilling instrument, sitting the guide shoe of keyed measurement while-drilling instrument outside is seated in the circulating sleeve that is arranged in orientation joint, without fastening devices and equipment, sit keyed measurement while-drilling instrument body and moving along axis direction may occur, particularly almost cannot avoid in large hole deviation section and horizontal segment.If impulse force changes sharp, drilling fluid will exit instrument from circulating sleeve, causes de-key.If in the process of making a trip, it is too fast that driller operates too quickly, the relative acceleration of brake, and the drilling fluid of moment will be caused to pour in down a chimney, and seat keyed measurement while-drilling instrument body equally also can be caused to take off key; Thus cause downhole instrument environment division signal to upload.In this case can only pull out of hole and trip out instrument seat key again, and then lower brill, add invalid number of times and the drilling period of making a trip, increase drilling cost.
In prior art, Chinese patent 201120142847.5 relates to a kind of key-separation-preventive mud pulse generator, and it comprises the part compositions such as mud pulse generator, circulating sleeve, locking device, ball, ball base, spring, screw plug.Mud pulse generator is placed in circulating sleeve, locking device to be fixed on circulating sleeve and to lock mud pulse generator, but above-mentioned key-separation-preventive mud pulse generator must paired pulses guide shoe and circulating sleeve body two parts all be transformed, increase improvement cost, there is mud simultaneously and wash away ball and cause ball to be out of shape the risk that cannot throw off.
Utility model content
The purpose of this utility model overcomes above-mentioned problems of the prior art, a kind of directional tool key-separation guide shoe is provided, solves necessary paired pulses guide shoe that existing key-separation device exists and circulating sleeve body two parts and all carry out the mud that improvement cost increases and existing key-separation device faces when utilization that house of correction causes and wash away ball and cause ball to be out of shape the risk that cannot throw off.
The technical solution of the utility model is: a kind of directional tool key-separation guide shoe, comprise the guide shoe body be connected with circulating sleeve for directional tool lower end, offer the annular slot around guide shoe body circumference at the radial directed groove left end of described guide shoe body, this annular slot communicates with radial directed groove; Described annular slot internal fixtion has the spring leaf of ring-type, and the position that spring leaf is positioned at radial directed groove left end port is provided with an opening.
The shape of the opening on above-mentioned spring leaf is: the two ends, left and right of this opening are respectively flare openings, and the wide mouth part being wherein positioned at the flare openings on the left side, is positioned at the wide mouth part of the flare openings on the right to the right left.
The width of above-mentioned spring leaf is identical with the width of annular slot, and its thickness is identical with the degree of depth of annular slot; The wide mouth part width of the flare openings on described the right is identical with the width of radial directed groove; The wide mouth part width of the flare openings on the described left side is identical with the left-hand screw face on guide shoe body and the distance of right helicoid right-hand member up and down between edge.
The angle of its upper and lower two sides of the flare openings on above-mentioned the right is 120 °; The angle of its upper and lower two sides of the flare openings on the described left side is 100 °.
The width of above-mentioned spring leaf is identical with the width of annular slot.
The thickness of above-mentioned spring leaf is identical with the degree of depth of annular slot.
The degree of depth of above-mentioned annular slot is identical with the degree of depth of radial directed groove, seamlessly transits bottom annular slot with radial directed trench bottom joint.
Above-mentioned spring leaf offers a cutting seam relative to the other end of its openend, the trend of this cutting seam is consistent with spring leaf axis direction, both sides spring leaf being positioned at this cutting seam are respectively equipped with a screw, and the screw on this spring leaf corresponds to the screw that the trench bottom of annular slot is also provided with same size; Described spring leaf is fixed in annular slot by screw.
The degree of depth of above-mentioned cutting seam is the half of spring leaf thickness.
Above-mentioned guide shoe body is connected by screw thread with directional tool lower end.
The beneficial effects of the utility model: the utility model arranges an annular slot on wireless drilling inclinometers pulse guide shoe bottom, in this annular slot, a telescopic annular opening spring leaf is installed, blocks directional bond position by the spring leaf in the middle of annular slot.During onsite application, guide shoe enters in circulating sleeve from the upper end base of circulating sleeve, in seat key process, flexible springs sheet in annular slot on the external surface of guide shoe upwards backs down at directional bond the radial directed groove rear spring sheet reset that spring leaf enters guide shoe, block the guide shoe position of wireless drilling inclinometers, make wireless drilling inclinometers depart from directional bond, thus reach key-separation effect.Can with fishing tool salvage when there is unusual condition in down-hole simultaneously, at utmost reduce the loss.The utility model solves necessary paired pulses guide shoe that existing key-separation device exists and circulating sleeve body two parts all to carry out the mud that improvement cost increases and existing key-separation device faces when utilization that house of correction causes and washes away ball and cause ball to be out of shape the risk that cannot throw off.The utility model is after instrument successfully sits key, spring leaf in the annular slot of guide shoe automatically resets, block instrument guide shoe position, reach the effect of key-separation, it in use can be accomplished durable for a long time and not affect the advantage removing instrument, and structure is simple, safe and reliable, easy to operate, the scope of application is large, can promote at situ of drilling well widely.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the guide shoe body structure schematic diagram having annular slot;
Fig. 2 is the sectional view of the guide shoe body having annular slot;
Fig. 3 is guide shoe body in Fig. 1 schematic diagram when being provided with spring leaf;
Fig. 4 is chip architecture of the spring schematic diagram;
Fig. 5 is the right view of Fig. 4;
Fig. 6 is the left view of Fig. 4.
Description of reference numerals: 1, guide shoe body; 2, spring leaf; 3, annular slot; 4, radial directed groove; 5, left-hand screw face; 6, right helicoid; 7, cutting seam.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides the directional tool key-separation guide shoe in a kind of oil drilling in wireless drilling instrument, comprise the guide shoe body 1 be connected with circulating sleeve for directional tool lower end, offer the annular slot 3 around guide shoe body 1 circumference at radial directed groove 4 left end of described guide shoe body 1, this annular slot 3 communicates with radial directed groove 4; Described annular slot 3 internal fixtion has the spring leaf 2 of ring-type, and the position that spring leaf 2 is positioned at radial directed groove 4 left end port is provided with an opening (spring leaf overall diagram as shown in Figure 4, is the opening of spring leaf shown in this figure right-hand member).Guide shoe body 1 in the present embodiment is the conventional impulse generator guide shoe be connected with circulating sleeve for directional tool lower end, directional tool lower end and circulating sleeve link together by it, this guide shoe is prior art parts, wherein be provided with radial directed groove 4 and left-hand screw face 5, right helicoid 6 on this guide shoe surface, its structure be no longer described in detail in detail herein; Annular slot 3 in the present embodiment is located between radial directed groove 4 and left and right helicoid.
The present embodiment is to optimize existing impulse generator guide shoe for technical characteristics, during onsite application, guide shoe provided by the invention enters in circulating sleeve from the upper end base of circulating sleeve, owing to the external surface of guide shoe having horizontal annular slot 3, telescopic spring leaf 2 is provided with in annular slot, in seat key process, directional bond upwards backs down from the opening of spring leaf the radial directed groove 4 rear spring sheet reset that spring leaf enters guide shoe, block the guide shoe position of wireless drilling inclinometers, wireless drilling inclinometers is made to depart from directional bond, thus reach key-separation effect, wherein the opening of spring leaf can be designed to be conducive to the structure that directional bond is washed open.The utility model is after successfully sitting key, instrument (mud pulse generator lower end) is made to be fixed in circulating sleeve by the power of spring leaf resetting means, thus the situation preventing instrument to deviate from, improve the stability of instrument, simultaneously when there is unusual condition, can salvage with fishing tool, at utmost decrease loss.
Embodiment 2:
On the basis of embodiment 1, as depicted in figs. 3 and 5, the shape of the opening on described spring leaf 2 is: the two ends, left and right of this opening are respectively flare openings, and the wide mouth part being wherein positioned at the flare openings on the left side, is positioned at the wide mouth part of the flare openings on the right to the right left.The width of described spring leaf 2 is identical with the width of annular slot 3, and its thickness is identical with the degree of depth of annular slot 3; The wide mouth part width of the flare openings on described the right is identical with the width of radial directed groove 4; The wide mouth part width of the flare openings on the described left side is identical with the left-hand screw face 5 on guide shoe body 1 and the distance of right helicoid 6 right-hand member up and down between edge.The angle of its upper and lower two sides of the flare openings on described the right is 120 °, and the angle of its upper and lower two sides of the flare openings on the described left side is 100 °, wherein bell-mouthed structure be conducive to directional bond install and unloading instrument time open spring leaf.The spring leaf 2 of the present embodiment can be designed to can flick from guide shoe body is de-when directional bond applies 10kg power.The degree of depth of described annular slot 3 is identical with the degree of depth of radial directed groove 4, seamlessly transits bottom annular slot 3 with radial directed groove 4 bottom connection place.As shown in Figure 6, described spring leaf 2 offers a cutting seam 7 relative to the other end of its openend, and the trend of this cutting seam 7 is consistent with spring leaf 2 axis direction, and both sides spring leaf 2 being positioned at this cutting seam 7 are respectively equipped with a screw; The degree of depth of described cutting seam is the half of spring leaf thickness, and its effect makes spring leaf be convenient to break into two with one's hands and is connected in annular slot 3.And the trench bottom that screw on spring leaf 2 corresponds to annular slot 3 is also provided with the screw of same size; Spring leaf 2 is fixed in annular slot 3 by screw, prevents from spring leaf 2 from rotating in annular slot 3 causing the opening of spring leaf to stagger the port of radial directed groove 4.
Guide shoe of the present utility model overall (i.e. main valve head assembly) is connected by screw thread with directional tool lower end (impulse generator lower end), guide shoe enters in circulating sleeve from the upper end base of circulating sleeve, in seat key process, when guide shoe guides directional bond to enter radial directed groove, make directional bond upwards back down spring leaf enter guide shoe radial directed groove rear spring sheet reset, block wireless drilling inclinometers guide shoe position, make wireless drilling inclinometers depart from directional bond, thus reach key-separation effect.The utility model solves necessary paired pulses guide shoe that existing key-separation device exists and circulating sleeve body two parts all to carry out the mud that improvement cost increases and existing key-separation device faces when utilization that house of correction causes and washes away ball and cause ball to be out of shape the risk that cannot throw off.The utility model is after instrument successfully sits key, spring leaf in the annular slot of guide shoe automatically resets, block instrument guide shoe position, reach the effect of key-separation, it in use can be accomplished durable for a long time and not affect the advantage removing instrument, and structure is simple, safe and reliable, easy to operate, the scope of application is large, can promote at situ of drilling well widely.
The part do not described in detail in present embodiment belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (10)
1. a directional tool key-separation guide shoe, comprise the guide shoe body (1) be connected with circulating sleeve for directional tool lower end, it is characterized in that: offer the annular slot (3) around guide shoe body (1) circumference at radial directed groove (4) left end of described guide shoe body (1), this annular slot (3) communicates with radial directed groove (4); Described annular slot (3) internal fixtion has the spring leaf (2) of ring-type, and the position that spring leaf (2) is positioned at radial directed groove (4) left end port is provided with an opening.
2. a kind of directional tool key-separation guide shoe as claimed in claim 1, it is characterized in that: the shape of the opening on described spring leaf (2) is: the two ends, left and right of this opening are respectively flare openings, the wide mouth part being wherein positioned at the flare openings on the left side, is positioned at the wide mouth part of the flare openings on the right to the right left.
3. a kind of directional tool key-separation guide shoe as claimed in claim 2, is characterized in that: the width of described spring leaf (2) is identical with the width of annular slot (3), and its thickness is identical with the degree of depth of annular slot (3); The wide mouth part width of the flare openings on described the right is identical with the width of radial directed groove (4); The wide mouth part width of the flare openings on the described left side is identical with the left-hand screw face (5) on guide shoe body (1) and the distance of right helicoid (6) right-hand member up and down between edge.
4. a kind of directional tool key-separation guide shoe as claimed in claim 3, is characterized in that: the angle of its upper and lower two sides of the flare openings on described the right is 120 °; The angle of its upper and lower two sides of the flare openings on the described left side is 100 °.
5. a kind of directional tool key-separation guide shoe as claimed in claim 1, is characterized in that: the width of described spring leaf (2) is identical with the width of annular slot (3).
6. a kind of directional tool key-separation guide shoe as claimed in claim 1, is characterized in that: the thickness of described spring leaf (2) is identical with the degree of depth of annular slot (3).
7. a kind of directional tool key-separation guide shoe as claimed in claim 1, it is characterized in that: the degree of depth of described annular slot (3) is identical with the degree of depth of radial directed groove (4), annular slot (3) bottom seamlessly transits with radial directed groove (4) bottom connection place.
8. a kind of directional tool key-separation guide shoe as claimed in claim 1, it is characterized in that: described spring leaf (2) offers cutting seam (7) relative to the other end of its openend, the trend of this cutting seam (7) is consistent with spring leaf (2) axis direction, both sides spring leaf (2) being positioned at this cutting seam (7) are respectively equipped with a screw, and the screw on this spring leaf (2) corresponds to the screw that the trench bottom of annular slot (3) is also provided with same size; Described spring leaf (2) is fixed in annular slot (3) by screw.
9. a kind of directional tool key-separation guide shoe as claimed in claim 8, is characterized in that: the degree of depth of described cutting seam (7) is the half of spring leaf (2) thickness.
10. a kind of directional tool key-separation guide shoe as claimed in claim 1, is characterized in that: described guide shoe body (1) is connected by screw thread with directional tool lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974542.9U CN205172557U (en) | 2015-12-01 | 2015-12-01 | Along with boring inclinometer anticreep key guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974542.9U CN205172557U (en) | 2015-12-01 | 2015-12-01 | Along with boring inclinometer anticreep key guide shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172557U true CN205172557U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520974542.9U Active CN205172557U (en) | 2015-12-01 | 2015-12-01 | Along with boring inclinometer anticreep key guide shoe |
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| Country | Link |
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| CN (1) | CN205172557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049862A (en) * | 2018-01-18 | 2018-05-18 | 苏州金科发能源技术有限公司 | The special orientation joint of wireless drilling inclinometers |
| CN108104803A (en) * | 2017-12-15 | 2018-06-01 | 北京六合伟业科技股份有限公司 | One kind can salvage suspension rotary rotary valve pulser system |
| CN111042803A (en) * | 2019-12-12 | 2020-04-21 | 北京格瑞迪斯石油技术有限公司 | Lower seat key type MWD key disengagement prevention system |
-
2015
- 2015-12-01 CN CN201520974542.9U patent/CN205172557U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104803A (en) * | 2017-12-15 | 2018-06-01 | 北京六合伟业科技股份有限公司 | One kind can salvage suspension rotary rotary valve pulser system |
| CN108049862A (en) * | 2018-01-18 | 2018-05-18 | 苏州金科发能源技术有限公司 | The special orientation joint of wireless drilling inclinometers |
| CN111042803A (en) * | 2019-12-12 | 2020-04-21 | 北京格瑞迪斯石油技术有限公司 | Lower seat key type MWD key disengagement prevention system |
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| GR01 | Patent grant |