CN201884022U - Portable angle difference measure gauge - Google Patents
Portable angle difference measure gauge Download PDFInfo
- Publication number
- CN201884022U CN201884022U CN 201020643678 CN201020643678U CN201884022U CN 201884022 U CN201884022 U CN 201884022U CN 201020643678 CN201020643678 CN 201020643678 CN 201020643678 U CN201020643678 U CN 201020643678U CN 201884022 U CN201884022 U CN 201884022U
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- drilling tool
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Abstract
The utility model relates to the technical field of drilling tool angle difference measure tools for directional wells and horizontal wells in petroleum drilling, in particular to a portable angle difference measure gauge, which comprises a point light source, a light source fixture, a dial, a directional drilling tool sub, a non-magnetic drill collar and a drilling tool screw, the directional drilling tool sub, the non-magnetic drill collar and the drilling tool screw are firmly connected together sequentially from the top down, the light source fixture is firmly mounted on the directional drilling tool sub, the point light source which can downwardly emit a linear light beam is firmly mounted on the light source fixture, a dial fixture is firmly mounted on the drilling tool screw, and the dial, the upper end surface of which is provided with angle scales, is fixed on the upper part of the dial fixture. The structure of the portable angle difference measure gauge is reasonable and compact, the portable angle difference measure gauge is convenient to use, the light source fixture and the dial are firmly mounted on a drilling tool, the reading projected on the dial by the point light source is observed, so that measured data can be directly obtained, and the portable angle difference measure gauge is characterized by high measured value precision, high measurement speed, simplicity and high efficiency.
Description
Technical field
The utility model relates to the drilling tool angular difference survey tool technical field of directional well in the oil drilling, horizontal well use, is a kind of portable corner difference measurements rule.
Background technology
Along with deepening continuously of oil field prospecting exploitation; directional well, horizontal well get more and more; the measurement of drilling tool angular difference is the requisite link of hole trajectory control in the work progress of directional well, horizontal well; directional well, horizontal well track control there is significant effects; angular difference measured deviation or the wrong setting that usually can influence tool-face in the directed work progress; cause wellbore quality control difficulty to increase, even the wellbore quality accident occurs.At present in directional well, horizontal well construction process, generally be by the manual angular difference of measuring on ground, hand dipping drilling tool external diameter calculates angular difference, because the measure error that human factor causes is bigger, sometimes even also can make a mistake, cause the increase of orientation works amount, influenced carrying out smoothly of directed construction.
Summary of the invention
The utility model provides a kind of portable corner difference measurements rule, overcome the deficiency of above-mentioned prior art, it can effectively solve the problem that the error that has directional well in the wellbore construction process, the existence of horizontal well drilling tool angular difference manual measurement method now is big even make a mistake.
The technical solution of the utility model realizes by following measure: a kind of portable corner difference measurements rule, comprise spot light, the light source fastening devices, the scale dial plate, the drilling tool orientation joint, non magnetic drill collar and drilling tool screw rod, the drilling tool orientation joint, non magnetic drill collar and drilling tool screw rod are fixed together from top to bottom in regular turn, the light source fastening devices is fixedly mounted on the drilling tool orientation joint, be installed with the spot light that can send rectilinear light beam downwards on the light source fastening devices, the dial plate fastening devices is fixedly mounted on the drilling tool screw rod, and dial plate fastening devices top is fixed with the scale dial plate that the upper surface has angle index.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned light source fastening devices can comprise light source shelf, left positioning seat, prelocalization seat, back positioning seat, left positioning bolt, prelocalization bolt and back positioning bolt; Light source shelf comprises arc junction plate, right front frame plate, right back frame plate and left frame plate, the right part of arc junction plate has semicircle and the opening light frame bayonet socket towards the right side, be fixed with right front frame plate and right back frame plate respectively on the arc junction plate of light frame bayonet socket front and rear, the left part of arc junction plate is fixed with left frame plate, light source hole is arranged on the left frame plate and be installed with spot light; Below, right front frame plate middle part, below, right back frame plate middle part and left frame plate right-hand member below are fixed with left positioning seat, prelocalization seat and back positioning seat respectively, left positioning screw hole, prelocalization screw and back positioning screw hole are arranged respectively on left side positioning seat, prelocalization seat and the back positioning seat, be installed with left positioning bolt, prelocalization bolt and back positioning bolt in left side positioning screw hole, prelocalization screw and the back positioning screw hole respectively, the screw rod end of left positioning bolt, prelocalization bolt and back positioning bolt lays respectively at the below, middle part of light frame bayonet socket.
Above-mentioned scale dial plate can comprise left-handed watch dish, right dial plate, preceding junction plate, back junction plate, preceding stop pin and back stop pin; The middle part of left-handed watch dish has semicircular in shape and opening to coil bayonet socket towards the left side on the right side, the middle part of right dial plate has semicircular in shape and opening to coil bayonet socket towards the right side on a left side, the right side front end face of left-handed watch dish and right side rear end face are pressed on respectively on the left side front end face and left side rear end face of right dial plate, junction plate and back junction plate before the upper-end front of left-handed watch dish and upper rear are fixedly connected with respectively, preceding junction plate right part and back junction plate right part have preceding lock pin installing hole and back lock pin installing hole respectively and preceding stop pin are installed and the back stop pin, the position of lock pin installing hole and back lock pin installing hole has preceding lock pin fixing hole and back lock pin fixing hole respectively before the front and rear correspondence of right dial plate, before the bottom of preceding stop pin and back stop pin is fixedly mounted on respectively the lock pin fixing hole and after in the lock pin fixing hole.
Above-mentioned dial plate fastening devices can comprise left front holder, left back holder, right front holder, right back holder, left front caging bolt, left back caging bolt, right front caging bolt and right back caging bolt; Left front holder, left back holder fixedly mounts respectively on the lower end front and rear of left-handed watch dish, right front holder and right back holder fixedly mount respectively on the lower end front and rear of right dial plate, left front holder, left back holder, the middle part of right front holder and right back holder has left front spacing screw respectively, left back spacing screw, right front spacing screw and right back spacing screw, left front caging bolt, left back caging bolt, right front caging bolt and right back caging bolt are respectively by left front spacing screw, left back spacing screw, right front spacing screw and right back spacing screw are fixedly mounted on left front holder, left back holder, on right front holder and the right back holder, left front caging bolt, left back caging bolt, the screw rod end of right front caging bolt and right back caging bolt lays respectively at the below, middle part of left side dish bayonet socket and right dish bayonet socket.
Above-mentioned angle index can be distributed in the outer rim place, upper surface of scale dial plate and scale dial plate circumference is divided into 360 five equilibriums.
The angle index position of corresponding zero degree, 90 degree, 180 degree and 270 degree can have angle mark respectively on the above-mentioned scale dial plate.
Above-mentioned spot light can be the light source pen, and the light emitted of light source pen is rectified the scale dial plate to the below.
The utility model reasonable and compact in structure, easy to use, it is by being fixedly mounted on light source fastening devices and scale dial plate on the drilling tool respectively, the point of observation light source is projected in the reading on the scale dial plate, just can directly obtain survey data, have that measured value precision height, measuring speed are fast, the characteristics of simple and effective.
Description of drawings
Accompanying drawing 2 is analysed and observe the structure for amplifying schematic diagram for the master of the light source shelf of accompanying drawing 1 looks.
Accompanying drawing 3 is the plan structure schematic diagram of accompanying drawing 2.
Accompanying drawing 4 is the left TV structure schematic diagram of accompanying drawing 2.
Accompanying drawing 5 is analysed and observe the structure for amplifying schematic diagram for the master of the scale dial plate of accompanying drawing 1 looks.
Accompanying drawing 6 is the plan structure schematic diagram of accompanying drawing 5.
Coding in the accompanying drawing is respectively: 1 is left positioning seat, and 2 are the prelocalization seat, and 3 is the back positioning seat, 4 is left positioning bolt, and 5 are the prelocalization bolt, and 6 is the back positioning bolt, 7 is right front frame plate, and 8 is right back frame plate, and 9 is light frame bayonet socket, 10 is left frame plate, and 11 is light source hole, and 12 is the left-handed watch dish, 13 is right dial plate, and 14 is preceding junction plate, and 15 is the back junction plate, 16 is preceding stop pin, and 17 is the back stop pin, and 18 is left side dish bayonet socket, 19 is right dish bayonet socket, and 20 is preceding lock pin installing hole, and 21 is back lock pin installing hole, 22 is preceding lock pin fixing hole, and 23 is back lock pin fixing hole, and 24 is left front holder, 25 is left back holder, and 26 is right front holder, and 27 is right back holder, 28 is left front caging bolt, and 29 is left back caging bolt, and 30 is right front caging bolt, 31 is right back caging bolt, and 32 is angle index, and 33 is angle mark, 34 is the light source pen, and 35 is the drilling tool orientation joint, and 36 is non magnetic drill collar, 37 is centralizer, 38 is the drilling tool screw rod, and 39 is drill bit, and 40 is the arc junction plate.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: upper and lower, about etc. the position relation be what to determine according to the Butut direction of Figure of description.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, these portable corner difference measurements rule comprise spot light, the light source fastening devices, the scale dial plate, drilling tool orientation joint 35, non magnetic drill collar 36 and drilling tool screw rod 38, drilling tool orientation joint 35, non magnetic drill collar 36 and drilling tool screw rod 38 are fixed together from top to bottom in regular turn, the light source fastening devices is fixedly mounted on the drilling tool orientation joint 35, be installed with the spot light that can send rectilinear light beam downwards on the light source fastening devices, the dial plate fastening devices is fixedly mounted on the drilling tool screw rod 38, and dial plate fastening devices top is fixed with the scale dial plate that the upper surface has angle index 32.The scale dial plate is positioned at the below of light source fastening devices, can obtain drilling tool angular difference data quickly and accurately by the projection of spot light on the scale dial plate, satisfy directional well, TRAJECTORY CONTROL OF HORIZONTAL WELL needs, reduce the error of orientation works, reduce labour intensity, guarantee carrying out smoothly of directed construction.
Can according to actual needs above-mentioned portable corner difference measurements rule be made further optimization and/or improvements:
Shown in accompanying drawing 1,2,3,4, the light source fastening devices comprises light source shelf, left positioning seat 1, prelocalization seat 2, back positioning seat 3, left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6; Light source shelf comprises arc junction plate 40, right front frame plate 7, right back frame plate 8 and left frame plate 10, the right part of arc junction plate 40 has semicircle and the opening light frame bayonet socket 9 towards the right side, be fixed with right front frame plate 7 and right back frame plate 8 respectively on the arc junction plate 40 of light frame bayonet socket 9 front and rears, the left part of arc junction plate 40 is fixed with left frame plate 10, light source hole 11 is arranged on the left frame plate 10 and be installed with spot light; Below, right front frame plate 7 middle parts, below, right back frame plate 8 middle parts and left frame plate 10 right-hand members below are fixed with left positioning seat 1, prelocalization seat 2 and back positioning seat 3 respectively, left positioning screw hole, prelocalization screw and back positioning screw hole are arranged respectively on left side positioning seat 1, prelocalization seat 2 and the back positioning seat 3, be installed with left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6 in left side positioning screw hole, prelocalization screw and the back positioning screw hole respectively, the screw rod end of left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6 lays respectively at the below, middle part of light frame bayonet socket 9.The screw rod end of left side positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6 can hold out against respectively on left surface, leading flank and the trailing flank at drilling tool, by adjusting the screw rod extension elongation on left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6 each comfortable left positioning seat 1, prelocalization seat 2 and the back positioning seat 3, can adjust the shaft core position deviation of the relative drilling tool in the center of circle of light frame bayonet socket 9, and light source shelf is fixedly mounted on the drilling tool.
Shown in accompanying drawing 1,5,6, the scale dial plate comprises left-handed watch dish 12, right dial plate 13, preceding junction plate 14, back junction plate 15, preceding stop pin 16 and back stop pin 17; The middle part of left-handed watch dish 12 has semicircular in shape and opening to coil bayonet socket 18 towards the left side on the right side, the middle part of right dial plate 13 has semicircular in shape and opening to coil bayonet socket 19 towards the right side on a left side, the right side front end face of left-handed watch dish 12 and right side rear end face are pressed on respectively on the left side front end face and left side rear end face of right dial plate 13, junction plate 14 and back junction plate 15 before the upper-end front of left-handed watch dish 12 and upper rear are fixedly connected with respectively, preceding junction plate 14 right parts and back junction plate 15 right parts have preceding lock pin installing hole 20 and back lock pin installing hole 21 respectively and preceding stop pin 16 are installed and back stop pin 17, the position of lock pin installing hole 20 and back lock pin installing hole 21 has preceding lock pin fixing hole 22 and back lock pin fixing hole 23 respectively before the front and rear correspondence of right dial plate 13, before the bottom of preceding stop pin 16 and back stop pin 17 is fixedly mounted on respectively lock pin fixing hole 22 and after in the lock pin fixing hole 23.By preceding stop pin 16 and back stop pin 17 left-handed watch dish 12 and right dial plate 13 are fixed together.Left-handed watch dish 12 and right dial plate 13 preferably adopt the light aluminum alloy material, and other parts can be stainless steel material and make.
Shown in accompanying drawing 1,5,6, the dial plate fastening devices comprises left front holder 24, left back holder 25, right front holder 26, right back holder 27, left front caging bolt 28, left back caging bolt 29, right front caging bolt 30 and right back caging bolt 31; Left front holder 24, left back holder 25 fixedly mounts respectively on the lower end front and rear of left-handed watch dish 12, right front holder 26 and right back holder 27 fixedly mount respectively on the lower end front and rear of right dial plate 13, left front holder 24, left back holder 25, the middle part of right front holder 26 and right back holder 27 has left front spacing screw respectively, left back spacing screw, right front spacing screw and right back spacing screw, left front caging bolt 28, left back caging bolt 29, right front caging bolt 30 and right back caging bolt 31 are respectively by left front spacing screw, left back spacing screw, right front spacing screw and right back spacing screw are fixedly mounted on left front holder 24, left back holder 25, on right front holder 26 and the right back holder 27, left front caging bolt 28, left back caging bolt 29, the screw rod end of right front caging bolt 30 and right back caging bolt 31 lays respectively at the below, middle part of left side dish bayonet socket 18 and right dish bayonet socket 19.Left front caging bolt 28, left back caging bolt 29, the screw rod end of right front caging bolt 30 and right back caging bolt 31 can hold out against the front left side at drilling tool respectively, left rear side, on forward right side and the right lateral side, by adjusting left front caging bolt 28, left back caging bolt 29, right front caging bolt 30 and right back caging bolt 31 each comfortable left front holder 24, left back holder 25, screw rod extension elongation on right front holder 26 and the right back holder 27, can adjust the shaft core position deviation of the relative drilling tool in the center of circle of scale dial plate, and the scale dial plate is fixedly mounted on the drilling tool.
As shown in Figure 6, angle index 32 is distributed in the outer rim place, upper surface of scale dial plate and scale dial plate circumference is divided into 360 five equilibriums.In addition, preferably white is painted in the upper surface of scale dial plate, be convenient to observe survey data more.
As shown in Figure 6, angle index 32 positions of corresponding zero degree, 90 degree, 180 degree and 270 degree have angle mark 33 respectively on the scale dial plate.Angle mark 33 can be convenient to the user more and observe survey data.
As shown in Figure 1, spot light is a light source pen 34, and the light emitted of light source pen 34 is rectified the scale dial plate to the below.Light source pen 34 is existing known spot light emitter, also can adopt the spot light emitter of existing known other types.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The course of work of the utility model most preferred embodiment is: at first, as shown in Figure 1, on the drilling tool orientation joint 35 directional bond is arranged, drilling tool orientation joint 35 lower ends are equipped with drill bit 39 by non magnetic drill collar 36, centralizer 37 and drilling tool screw rod 38 successively, light source shelf is fixedly mounted on the drilling tool orientation joint 35 by left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6, and regulate left positioning bolt 4, prelocalization bolt 5 and back positioning bolt 6, make the light frame bayonet socket 9 of light source shelf keep placed in the middle and light source pen 34 places and directional bond on same straight line; Then, open light source pen 34, on carry drilling tool, left-handed watch dish 12, right dial plate 13 are stuck on the drilling tool by left side dish bayonet socket 18 and right dish bayonet socket 19 respectively, by preceding stop pin 16 and back stop pin 17 left-handed watch dish 12 and right dial plate 13 are connected, by adjusting left front caging bolt 28, left back caging bolt 29, right front caging bolt 30 and right back caging bolt 31, make the axle center of the relative drilling tool in the center of circle of scale dial plate keep placed in the middle, rotate the scale dial plate and make its upper corners scale designation 33 aim at the position of the graduation mark on the drilling tool screw rod 38 for the angle index 32 of zero degree; At last, directly read spot light and be projected in reading on the scale dial plate, being needs the angular difference data measured.
Claims (10)
1. a portable corner difference measurements is advised, it is characterized in that comprising spot light, light source fastening devices, scale dial plate, drilling tool orientation joint, non magnetic drill collar and drilling tool screw rod, drilling tool orientation joint, non magnetic drill collar and drilling tool screw rod are fixed together from top to bottom in regular turn, the light source fastening devices is fixedly mounted on the drilling tool orientation joint, be installed with the spot light that can send rectilinear light beam downwards on the light source fastening devices, the dial plate fastening devices is fixedly mounted on the drilling tool screw rod, and dial plate fastening devices top is fixed with the scale dial plate that the upper surface has angle index.
2. portable corner difference measurements rule according to claim 1 is characterized in that the light source fastening devices comprises light source shelf, left positioning seat, prelocalization seat, back positioning seat, left positioning bolt, prelocalization bolt and back positioning bolt; Light source shelf comprises arc junction plate, right front frame plate, right back frame plate and left frame plate, the right part of arc junction plate has semicircle and the opening light frame bayonet socket towards the right side, be fixed with right front frame plate and right back frame plate respectively on the arc junction plate of light frame bayonet socket front and rear, the left part of arc junction plate is fixed with left frame plate, light source hole is arranged on the left frame plate and be installed with spot light; Below, right front frame plate middle part, below, right back frame plate middle part and left frame plate right-hand member below are fixed with left positioning seat, prelocalization seat and back positioning seat respectively, left positioning screw hole, prelocalization screw and back positioning screw hole are arranged respectively on left side positioning seat, prelocalization seat and the back positioning seat, be installed with left positioning bolt, prelocalization bolt and back positioning bolt in left side positioning screw hole, prelocalization screw and the back positioning screw hole respectively, the screw rod end of left positioning bolt, prelocalization bolt and back positioning bolt lays respectively at the below, middle part of light frame bayonet socket.
3. portable corner difference measurements rule according to claim 1 and 2 is characterized in that the scale dial plate comprises left-handed watch dish, right dial plate, preceding junction plate, back junction plate, preceding stop pin and back stop pin; The middle part of left-handed watch dish has semicircular in shape and opening to coil bayonet socket towards the left side on the right side, the middle part of right dial plate has semicircular in shape and opening to coil bayonet socket towards the right side on a left side, the right side front end face of left-handed watch dish and right side rear end face are pressed on respectively on the left side front end face and left side rear end face of right dial plate, junction plate and back junction plate before the upper-end front of left-handed watch dish and upper rear are fixedly connected with respectively, preceding junction plate right part and back junction plate right part have preceding lock pin installing hole and back lock pin installing hole respectively and preceding stop pin are installed and the back stop pin, the position of lock pin installing hole and back lock pin installing hole has preceding lock pin fixing hole and back lock pin fixing hole respectively before the front and rear correspondence of right dial plate, before the bottom of preceding stop pin and back stop pin is fixedly mounted on respectively the lock pin fixing hole and after in the lock pin fixing hole.
4. portable corner difference measurements rule according to claim 3 is characterized in that the dial plate fastening devices comprises left front holder, left back holder, right front holder, right back holder, left front caging bolt, left back caging bolt, right front caging bolt and right back caging bolt; Left front holder, left back holder fixedly mounts respectively on the lower end front and rear of left-handed watch dish, right front holder and right back holder fixedly mount respectively on the lower end front and rear of right dial plate, left front holder, left back holder, the middle part of right front holder and right back holder has left front spacing screw respectively, left back spacing screw, right front spacing screw and right back spacing screw, left front caging bolt, left back caging bolt, right front caging bolt and right back caging bolt are respectively by left front spacing screw, left back spacing screw, right front spacing screw and right back spacing screw are fixedly mounted on left front holder, left back holder, on right front holder and the right back holder, left front caging bolt, left back caging bolt, the screw rod end of right front caging bolt and right back caging bolt lays respectively at the below, middle part of left side dish bayonet socket and right dish bayonet socket.
5. portable corner difference measurements rule according to claim 1 and 2 is characterized in that angle index is distributed in the outer rim place, upper surface of scale dial plate and scale dial plate circumference is divided into 360 five equilibriums.
6. portable corner difference measurements rule according to claim 4 is characterized in that angle index is distributed in the outer rim place, upper surface of scale dial plate and scale dial plate circumference is divided into 360 five equilibriums.
7. portable corner difference measurements rule according to claim 5 is characterized in that the angle index position of corresponding zero degree on the scale dial plate, 90 degree, 180 degree and 270 degree has angle mark respectively.
8. portable corner difference measurements rule according to claim 6 is characterized in that the angle index position of corresponding zero degree on the scale dial plate, 90 degree, 180 degree and 270 degree has angle mark respectively.
9. portable corner difference measurements rule according to claim 7 is characterized in that spot light is the light source pen, and the light emitted of light source pen is rectified the scale dial plate to the below.
10. portable corner difference measurements rule according to claim 8 is characterized in that spot light is the light source pen, and the light emitted of light source pen is rectified the scale dial plate to the below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020643678 CN201884022U (en) | 2010-12-06 | 2010-12-06 | Portable angle difference measure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020643678 CN201884022U (en) | 2010-12-06 | 2010-12-06 | Portable angle difference measure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884022U true CN201884022U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020643678 Expired - Lifetime CN201884022U (en) | 2010-12-06 | 2010-12-06 | Portable angle difference measure gauge |
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| Country | Link |
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| CN (1) | CN201884022U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094630A (en) * | 2010-12-06 | 2011-06-15 | 中国石油集团西部钻探工程有限公司 | Portable angular difference measuring gauge |
| CN102607377A (en) * | 2012-02-17 | 2012-07-25 | 中国海洋石油总公司 | Tool and method for measuring angular difference of tool face of oil field drilling instrument |
| CN104234698A (en) * | 2014-07-17 | 2014-12-24 | 西安石油大学 | Laser-type angular difference measurement device and laser-type angular difference measurement method |
| CN104847336A (en) * | 2014-02-19 | 2015-08-19 | 中国石油化工集团公司 | Rotation orientation testing system |
| CN104234697B (en) * | 2014-07-17 | 2017-05-17 | 西安石油大学 | Intelligent drilling angular difference measurement device and angular different measurement method |
-
2010
- 2010-12-06 CN CN 201020643678 patent/CN201884022U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094630A (en) * | 2010-12-06 | 2011-06-15 | 中国石油集团西部钻探工程有限公司 | Portable angular difference measuring gauge |
| CN102094630B (en) * | 2010-12-06 | 2014-02-19 | 中国石油集团西部钻探工程有限公司 | Portable angular difference measuring gauge |
| CN102607377A (en) * | 2012-02-17 | 2012-07-25 | 中国海洋石油总公司 | Tool and method for measuring angular difference of tool face of oil field drilling instrument |
| CN102607377B (en) * | 2012-02-17 | 2014-06-18 | 中国海洋石油总公司 | Tool and method for measuring angular difference of tool face of oil field drilling instrument |
| CN104847336A (en) * | 2014-02-19 | 2015-08-19 | 中国石油化工集团公司 | Rotation orientation testing system |
| CN104234698A (en) * | 2014-07-17 | 2014-12-24 | 西安石油大学 | Laser-type angular difference measurement device and laser-type angular difference measurement method |
| CN104234698B (en) * | 2014-07-17 | 2017-02-15 | 西安石油大学 | Laser-type angular difference measurement device and laser-type angular difference measurement method |
| CN104234697B (en) * | 2014-07-17 | 2017-05-17 | 西安石油大学 | Intelligent drilling angular difference measurement device and angular different measurement method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20140219 |
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| RGAV | Abandon patent right to avoid regrant |