CN104110248B - At least detect the platform of array induction logging tool probe nipple entirety straightness - Google Patents

Abstract

The invention discloses the platforms at least detecting array induction logging tool probe nipple entirety straightness, including：Horizontal stationary platen is formed with a straight visual axial mark scribing line on the top surface of the stationary platen；And multiple V-type supporting blocks of the probe nipple of the support induction log tool, there are one the V-shaped grooves of upward opening for each V-type supporting block tool, and each V-type supporting block is formed with the visual vertical mark scribing line that a slot bottom center line from the V-shaped groove extends to downwards the bottom surface of the V-type supporting block vertically in its at least one axial sides；The multiple V-type supporting block is periodically installed at by the visual axial mark scribing line removably on the stationary platen on the stationary platen, and the visual vertical mark scribing line in each V-type supporting block is aligned in a lateral direction with the visual axial mark scribing line on the stationary platen.The platform of the present invention is not only simple in structure, operation is easy, easy to maintain, and has higher versatility.

Description

At least detect the platform of array induction logging tool probe nipple entirety straightness

Technical field

The present invention relates to array induction logging tool structure precision detection techniques, relate more specifically to cubical array induction logging Instrument structure precision detection platform.

Background technology

Array induction logging is a kind of important geophysical probing technique, and the mutual inductance principle based on alternating current carries out Detection.Specifically, array induction logging is that electromotive force is induced in receiving coil using the alternating current in transmitting coil, by In transmitting coil and receiving coil all in well to be detected, therefore the alternating current of transmitting coil is inevitable in pit shaft surrounding formation In induce vortex, and the vortex has an impact the induced electromotive force of receiving coil, therefore the induced electromotive force and vortex Intensity it is related, i.e., it is related with the conductivity on stratum.

Fig. 1 schematically shows the cubical array induction log tool 100 of a prior art.Cubical array induction logging Instrument grows up on the basis of generic array induction log tool, has certain radial detectivity.

It is short that cubical array induction log tool 100 generally comprises electronic cartridge 110, preposition amplification pipe nipple 120 and probe 130 three parts are saved, the wherein structure precision of probe nipple 130 has the measurement accuracy of cubical array induction log tool decisive Effect.

The internal structure after shell is eliminated Fig. 2 schematically shows probe nipple 130.As shown in the drawing, it pops one's head in short Section 130 generally comprises the three dimensional coils array 131 that multiple length do not wait.By length, equal insulation is not short between these coil arrays Section 133 separates.

Fig. 3 schematically shows a coil unit 140, and each coil array 131 may include one or more in this way Coil unit.Each coil unit 140 by with axial center through hole matrix 145 and be wrapped in more on outer surface of matrix Group wire coil is constituted.Matrix 145 is the band of column that insulate made of nonmetallic electrically insulating material.It is wrapped in multigroup on matrix 145 Wire coil includes that axial coil 141 and radial coil 142 and 142', their coiling length are possibly different from.Each Coil unit in coil array 131 can separately be used as transmitting coil or receiving coil.

There is probe nipple 130 a metal mandrel 132 therethrough, diameter to be generally 30 millimeters to 50 millimeters, Slenderness ratio is typically larger than 60.The each coil array of coil unit 140 and interval of 130 all coils array 131 of probe nipple Insulating short section 133 be adjacently arranged in metal mandrel 132 in an axial direction.Fig. 4 shows that coil unit 140 is assemblied in metal cores A schematic cross sectional views on axis 132, Fig. 5 then schematically show the position between assembling latter two coil unit and close System.

In order to make, matrix 145 obtains higher machining precision and higher thermal stability, the prior art have been introduced into work Journey structural ceramics makes the matrix.The ceramic material that can be used to form matrix 145 is generally aluminium oxide ceramics and silicon nitride ceramics, These ceramic materials can be made to the substantially column annular matrix with center through hole using high temperature sintering molding technique.These ceramics Material has small and without magnetic insulation the characteristic of coefficient of thermal expansion, advantageously ensures that on each matrix 145 each coil and entire The structure precision of coil array.

In the various structure precisions of probe nipple 130, on the measurement accuracy of cubical array induction log tool 100 influence compared with It is generally desirable to generally having for detection is following several by big or people：

（1）Probe nipple entirety straightness；

（2）The flatness of radial coil winding plane in probe nipple coil array（Referring to Fig. 5, i.e., each coil unit 140 radial coil winds plane 143, the flatness of 143'）, also may be referred to simply as the radial direction of cubical array induction log tool Coil plane degree；

（3）The straightness of the longitudinal center line of radial coil winding plane in probe nipple coil array（Referring to Fig. 5, i.e., The radial coil of each coil unit 140 winds plane 143, the longitudinal center line 144 of 143', the straightness of 144'）, also may be used It is called the radial coil central line degree of cubical array induction log tool for short；

（4）Concentricity of the axial coil relative to probe nipple mandrel in probe nipple coil array（Referring to Fig. 5, i.e., respectively Concentricity of the axial coil 141 of a coil unit relative to metal mandrel 132）, also may be referred to simply as cubical array induction The axial coil concentricity of logging instrument；

（5）The cylindricity of axial coil winding in probe nipple coil array（Referring to Fig. 5, i.e., the axis of each coil unit The cylindricity wound in 145 axial external surface of matrix to coil 141）, also may be referred to simply as cubical array induction log tool Axial coil cylindricity.

How conveniently and efficiently to detect it is one or more to ensure the precision and performance of logging instrument in above structure precision, Difficulties always in this field.Currently, or state of the art is using complicated measurement or calibrating instrument（Such as Optical gauge）Above-mentioned detection is carried out by cumbersome operating procedure, not only cost is higher, and detection efficiency is low； Using independent hand dipping instrument it is time-consuming and laborious carry out various measurements, then carry out complicated calculating, not only detection efficiency It is low, and accuracy of detection is also unsatisfactory.

Particularly, to measure simultaneously in cubical array induction log tool probe nipple mandrel it is all axial direction coils it is concentric Degree, the even more a great problem of this field, this detection can be carried out more conveniently by having no device appropriate at present.

Invention content

It is an object of the present invention to provide one kind can at least detect induction log tool especially cubical array induction The structure precision detection platform of logging instrument probe pipe nipple entirety straightness.

Another object of the present invention, which is to provide for one kind, can at least detect cubical array induction log tool radial coil The structure precision detection platform of flatness.

A further object of the present invention, which is to provide for one kind, can at least detect cubical array induction log tool radial coil The structure precision detection platform of central line degree.

A further object of the present invention be to provide for one kind can at least cubical array induction log tool axial direction coil it is concentric The structure precision detection platform of degree.

A further object of the present invention, which is to provide for one kind, can at least detect cubical array induction log tool axial direction coil The structure precision detection platform of cylindricity.

A further object of the invention is that the detection platform of the present invention to be enable to detect cubical array induction The above-mentioned various structures precision of logging instrument, and ensure to detect various structures precision in identical platform, detection process will not that This interference, reduces accuracy of detection.

The further object of the present invention is to make the platform that can detect various structures precision of the present invention Not only simple in structure, operation is easy, is easy to maintain, and has higher versatility.

According to the first aspect of the invention, a kind of at least detection array induction logging tool probe nipple entirety straight line is provided The platform of degree, including：Horizontal stationary platen is formed with a straight visual axial mark on the top surface of the stationary platen and draws Line；And multiple V-type supporting blocks of the probe nipple of the support induction log tool, there are one each V-type supporting block tools The V-shaped groove of upward opening, and each V-type supporting block is formed with one from the V in its at least one axial sides The slot bottom center line of shape slot extends to downwards the visual vertical mark scribing line of the bottom surface of the V-type supporting block vertically；The multiple V-type branch Bracer is periodically installed at by the visual axial mark scribing line removably on the stationary platen on the stationary platen, and Visual vertical mark scribing line in each V-type supporting block is with the visual axial mark scribing line on the stationary platen in horizontal direction Upper alignment.

Preferably, each V-type supporting block has been respectively formed on a visual vertical mark in two axial sides Scribing line.

Preferably, each V-type supporting block is plugged on by two location holes on its bottom surface is fixed on the fixation On the corresponding positioning column of platen.

Preferably, it is supported between part or all of V-type supporting block in the block and the stationary platen in the multiple V-type It is provided with height adjusting pads piece.

Preferably, the multiple V-type supporting block is made up of " the disposable feed-segmentation of material all in one piece is blocking " technique.

Preferably, the visual vertical mark scribing line in the multiple V-type supporting block in homonymy axial sides uses " once to walk Knife " technique is made.

Preferably, the platform further includes the leg assembly of multiple length Independent adjustables, is mounted on the stationary platen Lower section.

Preferably, the induction log tool is cubical array induction log tool.

Preferably, the platform further includes：Sub- platen can be mounted on the stationary platen to transverse shifting, and It is formed with the multiple openings extended up through at least part V-type supporting block；One or more horizontal inductions Ring is disposed on the sub- platen, and is looped around on the sub- platen around the opening；And one or more A mirror ring element is mounted on the same cross side except region shared by the sub- platen on the stationary platen, and each The mirror ring element further comprises：Mirror ring sliding rail can be mounted on the stationary platen to transverse shifting, mirror ring support, It is axially displaceably mounted on the mirror ring sliding rail and mirror ring main body, is fixed on the mirror ring support, and thereon It is disposed with one or more vertical induction loops.

Preferably, all constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are equal It is made of nonmetallic electrically insulating material.

According to the second aspect of the invention, it is flat to additionally provide a kind of at least detection cubical array induction log tool radial coil The platform of face degree, including：Horizontal stationary platen；Multiple supporting members are arranged detachably on the stationary platen, With by the probe nipple of the cubical array induction log tool flatly, can around own axis be supported on the fixed station Above plate；And one or more horizontal induction loops, be disposed on the stationary platen or the stationary platen above, It is looped around around at least part supporting member.

Preferably, the horizontal induction loop is embedded on the stationary platen；And

The longitudinal center line of the horizontal induction loop and the longitudinal center line in the support type face of the supporting member are in cross It is aligned on direction.

Preferably, the platform further includes a sub- platen being mounted on the stationary platen, is formed with for that The multiple openings extended up through a bit by the circular supporting member of the horizontal induction loop；The horizontal induction loop is inlayed On the sub- platen around the opening；And the axial direction of the longitudinal center line and the opening of the horizontal induction loop Center line is aligned in a lateral direction.

Preferably, the sub- platen is fixedly mounted on the stationary platen, and the axis of the horizontal induction loop It is aligned in a lateral direction with the longitudinal center line in the support type face of the supporting member to center line.

Preferably, the sub- platen can be mounted on the stationary platen to transverse shifting.

Preferably, the multiple supporting member is multiple V-type supporting blocks, and there are one upwards for each V-type supporting block tool The V-shaped groove of opening；And in axial direction compartment of terrain is plugged on the stationary platen the multiple V-type supporting block, and it is each The slot bottom center line of the V-shaped groove of the V-type supporting block is in alignment with each other in a lateral direction.

Preferably, one or more of horizontal induction loops are further configured to multiple horizontal induction loops, these Horizontal induction loop is concentrically arranged in by identical orientation in same level.

Preferably, each horizontal induction loop is square circle, and between the radial direction between adjacent level induction loop Away from the uniformity on entire ring week and it is equal to each other.

Preferably, the part or all of horizontal induction loop in the multiple horizontal induction loop is broken in ring circumferential direction It opens, and closure socket is provided at each comfortable neighbouring open position；And one or more in the horizontal induction loop of all disconnections The closure socket of a horizontal induction loop with the resistance connecting plate for being closed plug with inserting mode by being closed.

Preferably, all constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are equal It is made of nonmetallic electrically insulating material.

Preferably, the probe nipple of the cubical array induction log tool has metal mandrel and is fixed on the metal cores Three dimensional coils array on axis, each three dimensional coils array wind metal wire using the band of column that insulate by one or more as matrix Coil unit made of circle is constituted.

According to the third aspect of the invention we, one kind is additionally provided at least to detect in cubical array induction log tool radial coil The platform of heart straightness, including：Horizontal stationary platen；Multiple supporting members are arranged detachably in the fixed station On plate, by the probe nipple of the cubical array induction log tool flatly, can around own axis be supported on it is described Above stationary platen；Sub- platen can be mounted on the stationary platen to transverse shifting, and is formed at least one Multiple openings that the part supporting member extends up through；And one or more horizontal induction loops, it is disposed in On the sub- platen, and it is looped around on the sub- platen around the opening.

Preferably, the transverse width of the opening be greater than or equal to the maximum transversal stroke of the sub- platen with it is corresponding described The sum of transverse width of supporting member；And the horizontal induction loop is embedded on the sub- platen around the opening, And the longitudinal center line of the horizontal induction loop is aligned in a lateral direction with the longitudinal center line of the opening.

Preferably, it is fixed with a sub- platen retainer on the bottom surface of the sub- platen, passes through in the stationary platen Opening extend to the lower section of the stationary platen；And the platform further comprises sub- platen transverse shifting driving device, It is mounted under the stationary platen and is connected with the sub- platen retainer, and the driving sub- platen carries out transverse shifting.

Preferably, the sub- platen retainer has a horizontal thread in the part below the stationary platen at which Through-hole；The sub- platen transverse shifting driving device includes sub- platen retainer and sub- platen drive screw, wherein the sub- platform Plate retainer is fixed on the bottom surface of the stationary platen, and the sub- platen drive screw extends and in transverse direction by rotationally It is installed in the sub- platen retainer；And the external screw thread on the sub- platen drive screw and the sub- platen retainer Internal thread in tapped through hole matches, and the driving sub- platen carries out transverse shifting.

Preferably, the platform further comprises two guide plates, is arranged on the stationary platen neighbouring institute It states at the position of two axial sides of sub- platen, the adjacent axial direction of the axially inner side and the sub- platen of each guide plate Side coordinates.

Preferably, the multiple supporting member is multiple V-type supporting blocks, and there are one upwards for each V-type supporting block tool The V-shaped groove of opening；And in axial direction compartment of terrain is plugged on the stationary platen the multiple V-type supporting block, and it is each The slot bottom center line of the V-shaped groove of the V-type supporting block is in alignment with each other in a lateral direction.

Preferably, two axially opposite sides of each V-type supporting block are respectively formed on one from its V-shaped groove Slot bottom center line extends to downwards the visual vertical mark scribing line of its bottom surface vertically；And it is formed with one on the top surface of the sub- platen The straight visual axially mark scribing line of item, the longitudinal center line of the horizontal induction loop and the visual axial mark on the sub- platen Scribing line is aligned in a lateral direction.

Preferably, one or more of horizontal induction loops are further configured to multiple horizontal induction loops, described Multiple horizontal induction loops are by concentrically, be arranged in same level by identical orientation.

Preferably, each horizontal induction loop is square circle, and between the radial direction between adjacent level induction loop Away from the uniformity on entire ring week and it is equal to each other.

Preferably, the part or all of horizontal induction loop in the multiple horizontal induction loop is broken in ring circumferential direction It opens, and closure socket is provided at each comfortable neighbouring open position；And one or more in the horizontal induction loop of all disconnections The closure socket of a horizontal induction loop with the resistance connecting plate for being closed plug with inserting mode by being closed.

Preferably, all constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are equal It is made of nonmetallic electrically insulating material.

Preferably, the probe nipple of the cubical array induction log tool has metal mandrel and is fixed on the metal cores Three dimensional coils array on axis, each three dimensional coils array wind metal wire using the band of column that insulate by one or more as matrix Coil unit made of circle is constituted.

According to the fourth aspect of the invention, it is same to additionally provide a kind of at least detection cubical array induction log tool axial direction coil The platform of heart degree, including：Horizontal stationary platen；Multiple supporting members are arranged detachably on the stationary platen, The probe nipple of the cubical array induction log tool to be horizontally supported above the stationary platen；And one or more A mirror ring element, each mirror ring element can be mounted on the multiple supporting member on the stationary platen to transverse shifting Same cross side, and one or more vertical induction loops are disposed in the mirror ring main body of each mirror ring element.

Preferably, each mirror ring element further includes：Mirror ring sliding rail can be mounted on the fixation to transverse shifting On platen；And stationary phase answers the mirror ring support of the mirror ring main body, is mounted on the mirror ring sliding rail.

Preferably, guide pad there are one being downwardly projected on the bottom surface of the mirror ring sliding rail of each mirror ring element；And institute The matched guide groove being laterally extended of guide pad being provided in stationary platen with each mirror ring element is stated, with to the mirror The transverse shifting of ring sliding rail is oriented to.

Preferably, the mirror ring support of each mirror ring element is mounted axially displaceable on its mirror ring sliding rail.

Preferably, mirror ring is provided between the mirror ring sliding rail and the stationary platen of each mirror ring element laterally to move Dynamic retaining mechanism；And mirror annulate shaft is provided with to shifting between the mirror ring support and corresponding mirror ring sliding rail of each mirror ring element Dynamic retaining mechanism.

Preferably, the vertical induction loop of one or more arranged in each mirror ring main body is further configured to more A vertical induction loop, the multiple vertical induction loop are concentrically arranged in same vertical plane.

Preferably, each vertical induction loop is circle, with the adjacent upright in the same mirror ring main body Radial spacing between induction loop uniformity and is equal to each other on entire ring Zhou Changdu.

Preferably, the part or all of vertical induction loop in the multiple vertical induction loop is broken in ring circumferential direction It opens, and closure socket is provided at each comfortable neighbouring open position；And one or more in the vertical induction loop of all disconnections The closure socket of a vertical induction loop with the resistance connecting plate for being closed plug with inserting mode by being closed.

Preferably, the multiple supporting member is multiple V-type supporting blocks, and there are one upwards for each V-type supporting block tool The V-shaped groove of opening；And in axial direction compartment of terrain is plugged on the stationary platen the multiple V-type supporting block, and it is each The slot bottom center line of the V-shaped groove of the V-type supporting block is in alignment with each other in a lateral direction.

Preferably, all constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are equal It is made of nonmetallic electrically insulating material.

Preferably, the probe nipple of the cubical array induction log tool has metal mandrel and is fixed on the metal cores Three dimensional coils array on axis, each three dimensional coils array wind metal wire using the band of column that insulate by one or more as matrix Coil unit made of circle is constituted.

According to the fifth aspect of the invention, a kind of at least detection cubical array induction log tool axial direction coil circle is additionally provided The platform of column degree, including：Horizontal stationary platen；Multiple supporting members are arranged detachably on the stationary platen, The probe nipple of the cubical array induction log tool to be horizontally supported above the stationary platen；And one or more A mirror ring element, each mirror ring element are installed in the same transverse direction of the multiple supporting member on the stationary platen Side is each disposed with one or more vertical induction loops, and each mirror ring in the mirror ring main body of the mirror ring element Main body, which is installed into, independently the relatively described stationary platen to be moved axially.

Preferably, each mirror ring element further includes：Mirror ring sliding rail is mounted on the stationary platen；And it is solid The mirror ring support of fixed corresponding mirror ring main body, is mounted axially displaceable on the mirror ring sliding rail.

Preferably, the mirror ring sliding rail of each mirror ring element can be mounted on the stationary platen to transverse shifting.

Preferably, guide pad there are one being downwardly projected on the bottom surface of the mirror ring sliding rail of each mirror ring element；And institute State the matched guide groove being laterally extended of guide pad being provided in stationary platen with each mirror ring element.

Preferably, mirror ring is provided between the mirror ring sliding rail and the stationary platen of each mirror ring element laterally to move Dynamic retaining mechanism；And mirror annulate shaft is provided with to shifting between the mirror ring support and corresponding mirror ring sliding rail of each mirror ring element Dynamic retaining mechanism.

Preferably, the vertical induction loop of one or more arranged in each mirror ring main body is further configured to more A vertical induction loop, the multiple vertical induction loop are concentrically arranged in same vertical plane.

Preferably, each vertical induction loop is circle, with the adjacent upright in the same mirror ring main body Radial spacing between induction loop uniformity and is equal to each other on entire ring Zhou Changdu.

Preferably, the part or all of vertical induction loop in the multiple vertical induction loop is broken in ring circumferential direction It opens, and closure socket is provided at each comfortable neighbouring open position；And one or more in the vertical induction loop of all disconnections The closure socket of a vertical induction loop with the resistance connecting plate for being closed plug with inserting mode by being closed.

Preferably, the multiple supporting member is multiple V-type supporting blocks, and there are one upwards for each V-type supporting block tool The V-shaped groove of opening；And in axial direction compartment of terrain is plugged on the stationary platen the multiple V-type supporting block, and it is each The slot bottom center line of the V-shaped groove of the V-type supporting block is in alignment with each other in a lateral direction.

Preferably, all constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are equal It is made of nonmetallic electrically insulating material.

Preferably, the probe nipple of the cubical array induction log tool has metal mandrel and is fixed on the metal cores Three dimensional coils array on axis, each three dimensional coils array wind metal wire using the band of column that insulate by one or more as matrix Coil unit made of circle is constituted.

Platform provided by the invention can easily detect array induction logging tool especially cubical array induction log tool Probe nipple entirety straightness, radial coil flatness, radial coil central line degree, axial coil concentricity, axial line It is one or more in the structure precisions such as circle cylindricity, and ensure that when identical platform detects above-mentioned various structures precision, Detection process will not be interfering with each other, reduces accuracy of detection.In addition, the platform of the present invention is not only simple in structure, operation is easy, safeguards It is convenient, and there is higher versatility.

According to the accompanying drawings to the detailed description of the preferred embodiment of the present invention, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.

Description of the drawings

It will be carried out hereinafter with reference to attached drawing and by way of example rather than limitation to some embodiments of the present invention detailed Thin to describe, identical reference numeral denotes same or similar component or part in attached drawing.Those skilled in the art should manage Solution, these attached drawings are not necessarily to be drawn to scale.In attached drawing：

Fig. 1 schematically shows a cubical array induction log tool of the prior art；

In Fig. 2 schematically shows the probe nipples of Fig. 1 cubical array induction log tools after eliminating shell Portion's structure, this specific part i.e. of the invention to be detected；

Fig. 3 schematically shows a coil unit；

Fig. 4 schematically shows the sectional views for the coil unit being assemblied in mandrel；

Fig. 5 schematically shows the position relationship after two coil unit assembly；

Fig. 6 is the perspective schematic view of detection platform in accordance with a preferred embodiment of the present invention, which is suitable for Detect the various structures precision of cubical array induction log tool；

Fig. 7 is the schematic side elevation of a leg assembly of detection platform shown in Fig. 6；

Fig. 8 is a V-type supporting block and its signal of corresponding positioning column, height adjusting pads piece of detection platform shown in Fig. 6 Property decomposition perspective view；

Fig. 9 is the sub- platen of detection platform shown in Fig. 6 and its schematic amplification decomposition perspective view of driving mechanism；

Figure 10 is the schematic magnification fluoroscopy for the mirror ring element that one of detection platform shown in Fig. 6 is assembled on stationary platen Figure.

The reference numeral used in attached drawing is as follows：

100 cubical array induction log tools

110 electronic cartridges

120 preposition amplification pipe nipples

130 probe nipples

131 coil arrays

132 metal mandrels

133 insulating short sections

140 coil units

141 axial coils

142 radial coils

143 radial coils wind plane

144 radial coils wind the longitudinal center line of plane

142' radial coils

143' radial coils wind plane

144' radial coils wind the longitudinal center line of plane

145 matrixes

200 detection platforms

210 stationary platens

Guide groove on 211 stationary platens

Visual axial mark scribing line on 214 stationary platen top surfaces

220 leg assemblies

221 leg bodies

222 supporting leg retaining rings

223 supporting leg adjustment seats

230 V-type supporting blocks

231 V-grooves

232 bottom surfaces

233 location holes

234 visual vertical mark scribing line

236 positioning columns

238 height adjusting pads pieces

240 sub- platens

241 guide plates

The resistance connecting plate of 242 horizontal induction loops

Rectangular channel on 243 sub- platens

Visual axial mark scribing line on 244 sub- platen top surfaces

Opening on 245 sub- platens

The ring embedding groove of 247 horizontal induction loops

248 horizontal induction loops

The closure socket of 249 horizontal induction loops

251 drive screws

252 stationary platen retainers

253 sub- platen retainers

260 mirror ring elements

261 mirror ring main bodys

262 mirror ring supports

The locking jackscrew of 263 mirror ring supports

264 mirror ring sliding rails

The resistance connecting plate of 265 vertical induction loops

Ring embedding groove in 267 mirror ring main bodys

268 vertical induction loops

The closure socket of 269 vertical induction loops

Rectangular channel in 273 mirror ring main bodys

The guide pad of 275 mirror ring sliding rails

The locking knob of 276 mirror ring sliding rails.

Specific implementation mode

Fig. 6 schematically shows detection platform 200 in accordance with a preferred embodiment of the present invention, is adapted to detect for three-dimensional The various structures precision of array induction logging tool.Detection platform 200 is specifically short to the probe of cubical array induction log tool Section is detected.As described in " background technology " part, which preferably has metal mandrel and is fixed in metal mandrel Three dimensional coils array, each three dimensional coils array one or more using insulate the band of column as matrix wind wire coil made of Coil unit is constituted.The present invention 200 detectable structure precision of detection platform include：

（1）Probe nipple entirety straightness；

（2）Radial coil flatness；

（3）Radial coil central line degree；

（4）Axial coil concentricity；

（5）Axial coil cylindricity.

In general, the detection platform 200 of the present invention may include horizontal stationary platen 210, it typically is substantially rectangular Flat plate-shaped member.A straight visual axial mark scribing line 214 is preferably formed on the top surface of stationary platen 210, along solid Determine the length direction of platen 210（The axial direction of i.e. tested probe nipple）Extend, centre allows by disconnections such as slot, openings. In addition, corresponding location notch hole, grafting can be arranged according to the component to be attached to it or be passed through in stationary platen 210 Slot, mounting hole, pass through opening etc..It is general herein to be not particularly described for this kind of minutia on stationary platen 210, because It is them all skilled addressee readily understands that and can be accordingly arranged according to actual conditions.

The effect of stationary platen 210 essentially consists in provides a fixed horizontal base for other components in the present invention.Such as Those skilled in the art will appreciate that, arbitrary appropriate calibrating instrument can be used（Such as laser level）Provide horizontal mark Alignment, so that stationary platen 210 accurately to be adjusted to level.Specifically, level calibration line can be incident upon to stationary platen 210 On the sideline of one top surface or near it, first by the leveling of this edge line；Then, level calibration line is incident upon fixed station successively On the next top surface sideline of plate 210 or near it, the leveling in this sideline is completed, until all four of stationary platen 210 Top surface sideline is deleveled；Later, stationary platen 210 is made to be maintained at the horizontal position fixed.Such method can be protected effectively It is horizontal to demonstrate,prove 210 integral planar of stationary platen, reliable horizontal reference is provided for the arrangement of other detection means.

In order to facilitate the leveling of stationary platen 210, present invention preferably provides the leg assemblies for having multiple length Independent adjustables 220.These leg assemblies are mounted under stationary platen 210, to support stationary platen 210 at position appropriate, to common Constitute the integrated support frame of detection platform of the present invention.

As shown in fig. 7, leg assembly 220 may include leg body 221, supporting leg retaining ring 222 and supporting leg adjustment seat 223, Wherein supporting leg adjustment seat 223 be all made of helicitic texture between leg body 221, supporting leg retaining ring 222 and be connected.It is each by rotating The leg adjustment seat 222 of a leg assembly 220 is independently adjusted the length of the leg assembly, that is, has adjusted phase on stationary platen Answer the height of support zone.Preferably, it after the leveling work for completing stationary platen 210 using calibrating instrument auxiliary, can screw The supporting leg retaining ring 222 of all leg assemblies, to realize that the position in 210 short transverse of stationary platen is locked, inspection of improving the standard Survey the stability of environment.

The position of leg assembly 220 and quantity can be according to the weight and length and leg assembly 220 of tested probe nipple The factors such as load-bearing capacity be specifically arranged, such as 3,4,5,6,8 or more leg assemblies can be set.At some In embodiment, 4 leg assemblies can be set, such as the four corners of stationary platen 210 respectively set one.Alternatively, in other realities It applies in example, 6 leg assemblies can be set, such as the four corners of stationary platen 210 respectively set one, and in stationary platen 210 The long side of closer tested probe nipple placement location equally spaced adds two leg assemblies, such case such as Fig. 6 institutes again Show.

The detection of one, probe nipple entirety straightness

For the probe nipple entirety straightness of detection array induction logging tool especially cubical array induction log tool, this hair Bright detection platform 200 particularly uses multiple V-type supporting blocks 230 as supporting member to support tested probe nipple.

As shown in figure 8, each V-type supporting block 230 has V-shaped groove 231 and a planar bottom surface there are one upward opening 232.Each V-type supporting block 230 is formed with a slot bottom center line from V-shaped groove 231 in its at least one axial sides（I.e. The longitudinal center line in 230 support type face of V-type supporting block）Extend to the visual vertical mark scribing line 234 of bottom surface 232 vertically downwards.It is excellent Selection of land, be respectively formed on one in two axial sides of each V-type supporting block 230 as visual vertical mark scribing line 234.

To ensure to be detected the straightness environment of probe nipple placement, all V-type supporting blocks 230 preferably pass through " material all in one piece one Secondary feed-segmentation is blocking " technique is made, and the technique itself is known in machining field, and concrete operations are：It is processed with material all in one piece Go out an integrated member with V-groove, and in the process of V-groove, it be in the continuous continual feed of last time All excess stock surpluses last on V-type channel profile are got rid of in journey；Then, the integrated member of acquisition is divided into independent The V-type supporting block of different-thickness.Such processing technology can effectively ensure that the V-shaped groove tool of V-type supporting block all in the present invention There is consistent support type face（That is, the cross-sectional shape of each V-shaped groove, cross sectional dimensions and axially extending trend are all It is identical）.

In addition, in order to ensure that the consistency of visual vertical mark scribing position in all V-type supporting blocks 230, the present invention are preferred The visual vertical mark scribing line marked in all V-type supporting block homonymy axial sides, the technique are marked using " one-pass " technique Itself is also known to machining field, and concrete operations are：By all V-type supporting blocks tile in an axial direction it is aligned after, one The mark that visual vertical mark scribing line in all V-type supporting block homonymy axial sides is completed during secondary feed is drawn.

Multiple V-type supporting blocks 230 are by the visual axial mark scribing line compartment of terrain installation removably on stationary platen 210 （Preferably grafting）On stationary platen.When installation, should ensure that visual vertical mark scribing line 234 in each V-type supporting block 230 with Visual axial mark scribing line 214 on stationary platen 210 is aligned in a lateral direction（That is, they are on a horizontal plane Upright projection overlap）.The particular number of V-type supporting block and position can be according to needing supported support in tested probe nipple The quantity and location determination at position.Preferably, can a corresponding V-type be set at each insulating short section of tested probe nipple Supporting block 230 is supported.That is, the present invention is smart using the insulating short section in tested probe nipple as its structure is detected Support zone used when spending.Therefore, in the present invention, the probe nipple for eliminating shell is integrally placed on multiple V-types When in supporting block 230, the coil array of probe nipple is distributed between each support zone simultaneously vacantly, thus effectively prevents coil The case where array stress is damaged.

Further, the location hole vertically extended there are two can having on the bottom surface 232 of each V-type supporting block 230 233（Typically blind hole）.Each V-type supporting block 230 can easily be plugged on determining for stationary platen 210 by its location hole 233 On the column 236 of position.As those skilled in the art can be appreciated that, the depth of location hole 233 will usually be designed to be more than positioning Column 236 stretches out the height of 210 top surface of stationary platen.

Certain（It is part or all of）It is may be provided between V-type supporting block 233 and stationary platen 210 around corresponding positioning The height adjusting pads piece 238 of column 236.By adding the height adjusting pads piece 238 of different-thickness and/or different number, not only may be used So that each V-type supporting block in the present invention effectively can contact and support each support of various probe nipple various outer diameters Position.And the present invention can conveniently realize changing the outfit for height adjusting pads piece to the connected structure that V-type supporting block uses so that The present invention various probe nipples different with radial distribution to support zone outer diameter all have good versatility.

It, can after on the horizontal stationary platen 210 that multiple V-type supporting blocks 230 are installed to the present invention by requirement above The probe nipple of tested cubical array induction log tool is placed in V-type supporting block 230.Observe or measure each V-type support Block 230 is bonded situation with probe nipple support zone, you can qualitativelys determine the whole straightness of tested probe nipple.Example Such as, when a certain in the presence of being more than between an inclined-plane and probe nipple respective support position for the V-shaped groove of arbitrary V-type supporting block 230 Preset limit value（Such as 1mm, 2mm, 3mm, 4mm or 5mm）Gap when, you can judge the whole straightness of the probe nipple not It can meet the requirements.

What needs to be explained here is that for the detection of probe nipple other structures precision, the present invention is preferably preceding Integrated support frame described in text（Including stationary platen 210 and leg assembly 220）And the V-type supporting block of support probe nipple It further increases other components to realize on the basis of equal components.But one skilled in the art would recognize that V-type branch Bracer 230 is only a kind of supporting member of preferred form.Using the supporting member of other appropriate forms（Such as with arc-shaped branch Support supporting block, the fixture that generally cylindrical member can be clamped or the clamp etc. of concave surface）Come replace V-type supporting block be also it is possible, As long as tested probe nipple flatly, adjustable circumferential position can be supported on stationary platen 210 by these supporting members Top.These supporting members are preferably arranged to that the longitudinal center line of tested probe nipple is enabled to be in stationary platen The vertical top of 210 preferred visual axial mark scribing line 214.Furthermore it is preferred that also can be by such as optical calibrating instrument at these The vertical side subscript of supporting member marks visual vertical mark scribing line corresponding with the longitudinal center line in its support type face 234.

The detection of two, radial coil flatnesses

In order to detect the radial coil flatness of cubical array induction log tool, detection platform 200 of the invention, which is removed, includes Previously described horizontal stationary platen 210, multiple supporting members（Such as V-type supporting block 230）, outside preferred leg assembly 220, Further include one or more horizontal induction loops 248 being arranged in above stationary platen 210, is, for example, certain conductive gold Belong to ring, the preferably conductive metal ring made of copper bar or copper pipe.

In the embodiment shown in fig. 6, horizontal induction loop 248 is embedded on sub- platen 240, and 240 quilt of sub- platen It can be mounted on stationary platen 210 to transverse shifting.The preferably substantially rectangular flat plate-shaped member of sub- platen 240, and wherein shape At have it is multiple opening 245, it is right so that those extend up through opening 245 by the circular supporting member of horizontal induction loop 248 Tested probe nipple is supported.These openings are preferably formed as making their longitudinal center line in a lateral direction each other Alignment, and transverse width having the same.The ring for being looped around 245 peripheries of all openings is preferably also formed on sub- platen 240 Enclose embedding groove 247（As shown in Figure 9）, so that horizontal induction loop 248 is reliably embedded on sub- platen 240.These rings Embedding groove 247 and the longitudinal center line of horizontal induction loop 248 therein and the longitudinal center line of opening 245 are preferably in transverse direction It is aligned on direction.This arrangement not only allows the detection platform that can be used for detecting the radial direction of cubical array induction log tool Coil plane degree, and allow the detection platform that can be used for detecting the radial coil central line of cubical array induction log tool Degree.

But what needs to be explained here is that above-mentioned transversely movable sub- platen 240 is for radial coil flatness itself For detection it is not necessary to.That is, in certain alternative implementations that need not detect radial coil central line degree In example, sub- platen 240 can be not only connected in stationary platen 210, it might even be possible to directly be embedded in horizontal induction loop 248 Without sub- platen 240 is arranged on stationary platen 210.Introduction according to the present invention, such alternate embodiment are all abilities What field technique personnel were readily appreciated that and realized, thus herein they are not provided with special diagram.Nevertheless, this field skill Art personnel should be understood that these alternate embodiments by explicitly disclosed herein and announcement.

No matter horizontal induction loop 248 is disposed on stationary platen 210 or fixed or transversely movable son On platen 240, detection radial coil flatness will preferably make the longitudinal center line and supporting member of horizontal induction loop 248 The longitudinal center line in support type face（Such as it is crossed on 234 or stationary platen 210 by the visual vertical mark in V-type supporting block 230 Visual axial 214 mark of mark scribing line）It is aligned in a lateral direction.

The horizontal induction loop 248 arranged is looped around around at least part supporting member, to surround tested probe At least part of pipe nipple or all coil arrays.

Particularly, in certain preferred embodiments, the quantity of horizontal induction loop 248 can be it is multiple, such as two, three （As shown in Figure 6）, four or more.These horizontal induction loops 248 are preferably concentrically arranged in together by identical orientation In one horizontal plane.It is highly preferred that these horizontal induction loops 248 are square circle, and the diameter between adjacent level induction loop It uniformity and is equal to each other on entire ring week to spacing.

When being provided with multiple horizontal induction loops 248, part or all of horizontal induction loop 248 therein can be in ring It is disconnected in circumferential direction, preferably in same circumferential position（Such as at rectangular channel 243 shown in Fig. 9）It disconnects.That is, this Horizontal induction loops 248 itself can be non-closed ring a bit.Can be the horizontal induction loop 248 that each disconnects in its disconnection One corresponding closure socket 249 is set at or near position（In figure 6, being closed to have inserted on socket 249 will retouch hereinafter The resistance connecting plate 242 stated, but those skilled in the art can understand, and the closure socket 249 on sub- platen 240 is in resistance company Under fishplate bar 242）.Particularly, it is each closed in socket 249 and may include two banana bins separated, they are electrically connected respectively Two open ends being connected at 248 open position of respective horizontal induction loop.

When being detected operation, plug is closed using band（It is not shown in figure）Resistance connecting plate 242 with inserting mode It is closed the horizontal induction loop of one or more selected from the horizontal induction loop 248 of all disconnections, forming it into can generate The closed circuit of induced electromotive force, to be radial coil flatness（And radial coil central line degree described hereinafter）'s Detection provides different induced electromotive forces and detects environment.

It is typically the hair in allowing tested probe nipple coil array when selecting the horizontal induction loop 248 to be closed Ray circle sends electromagnetic field, and therefore induced electromotive force that the horizontal induction loop 248 of closure generates can influence in coil array Receiving coil；It is then detected that whether receiving coil entirety received signal in coil array, full according to the intensity size of the signal The horizontal induction loop that foot needs to select to be closed.After the signal strength for obtaining meeting needs, so that it may carry out subsequent Detecting step.

Preferably, the closure plug on each resistance connecting plate 242 can be made of two banana plugs, the two banana plugs It is connected by resistance appropriate between head.Specifically, in the horizontal induction loop 248 for being closed a disconnection with resistance connecting plate 242 When, the closure plug on resistance connecting plate 242 is inserted into the horizontal induction loop and is closed in socket accordingly, to make the level Induction loop is switched to closed state from off-state；And extract resistance connecting plate 242, then it can make the horizontal induction loop 248 It is switched to off-state from closed state.Those skilled in the art also can be appreciated that, also can be in certain alternate embodiments An on-off switch appropriate is added between the closure plug of this resistance connecting plate, in this way, can be in the level of each disconnection Resistance connecting plate is plugged always on the closure socket of induction loop, switches opening for horizontal induction loop by operating on-off switch Road/closed state, without plugging resistance connecting plate.

When detecting radial coil flatness, first have to that probe nipple is made to be generally in a week appropriate on supporting member To position, so that the winding plane 143 of one group of radial coil 142 to be detected is in approximate horizontal position.Then, in electricity With the help of signal system, the circumferential position of accurate adjustment probe nipple on supporting member makes receiving coil in tested coil array The whole maximum intensity for receiving signal（At this point, the winding plane 143 of all tested radial coils is in and horizontal induction loop The most parallel position on the whole of plane residing for 248）.Then, it keeps probe nipple circumferential position constant, detects each tested diameter The signal message received to coil can determine that each tested radial coil winding plane 143 is opposite according to these signal messages The flatness difference of the plane residing for horizontal induction loop 248, and then can determine all tested radial coil winding planes 143 Integral planar degree situation.

If also needing the flatness of the detection another group radial coil 142' vertical with 142 normal of radial coil has been surveyed, that Probe nipple can be substantially rotated by 90 ° on supporting member, the winding plane 143' of another group of radial coil is made to be in substantially Then horizontal position is measured using identical operation.

The detection of three, radial coil central line degree

It has been previously mentioned, in certain preferred detection platforms of detection radial coil flatness, there are one can be horizontal for setting To mobile sub- platen 240, the radial coil center that such detection platform can be used to detect cubical array induction log tool is straight Dimension.

Since the level in the detection process of radial coil central line degree, needing sub- platen 240 to carry thereon is felt Answer ring 248 relative to stationary platen 210（Also it is the longitudinal center line relative to tested probe nipple）Transverse shifting is carried out, Therefore, for the ease of the lateral position of the sub- platen of determination, be preferably formed on the top surface of sub- platen 240 one it is straight visual Axial mark scribing line 244（Centre allows by disconnections such as slot, openings）, the visual axial mark scribing line 244 and horizontal induction loop 248 Longitudinal center line be aligned in a lateral direction.

In order to realize the transverse shifting of sub- platen 240, a sub- platen can be preferably fixed on the bottom surface of sub- platen 240 and is passed Dynamic seat 253.Sub- platen retainer 253 passes through the corresponding opening in stationary platen 210（It is not shown in figure）Extend to stationary platen 210 lower section.One sub- platen transverse shifting driving device is installed, with sub- 253 phase of platen retainer under stationary platen 210 Even, to drive sub- platen 240 to carry out transverse shifting.Specifically, the sub- platen transverse shifting driving device may include being fixed on The sub- platen retainer 252 of 210 bottom surface of stationary platen and one are installed on son in sub- platen retainer 252, being laterally extended Platen drive screw 251.There are one lateral spiral shells for the part setting in 210 lower section of stationary platen at which of sub- platen retainer 253 Line through-hole.External screw thread on sub- platen drive screw 251 is matched with the internal thread in sub- 253 tapped through hole of platen retainer, By the sub- platen drive screw of clockwise and anticlockwise rotation 251 can be driven sub- platen 240 in certain stroke range without blind spot come Back into row transverse shifting.

In order to ensure the straightness and stationarity of 240 transverse shifting of sub- platen, two can also be arranged on stationary platen 210 Guide plate 241.The two guide plates 241 are respectively positioned into two axial sides of neighbouring sub- platen 240.Each guide plate 241 axially inner side coordinates with adjacent sub- platen axial sides, is oriented to the transverse shifting of sub- platen 240, effectively Realize the guiding correction during 240 transverse shifting of sub- platen.

In addition, in order to realize that sub- platen 240 without blind spot carries out transverse shifting in certain maximum transversal stroke range, On sub- platen 240 transverse width of multiple openings 245 should be greater than or at least equal to the maximum transversal stroke of sub- platen 240 with it is corresponding The sum of transverse width of supporting member.

When detection radial coil central line is spent, the behaviour described in the section of " detection of radial coil flatness " one is pressed first Make, so that probe nipple is on supporting member makes receiving coil entirety received signal strength maximum week in tested coil array To position.Then, it keeps probe nipple circumferential position constant, adjusts sub- platen 240 relative to probe nipple longitudinal center line Lateral position, find this adjustment makes the maximum sub- platen lateral position point of above-mentioned signal strength in the process（At this point, sub- platen 240 The longitudinal center line of upper horizontal induction loop 248 and the longitudinal center line entirety registration of tested coil array are best）.Then, It keeps probe nipple circumferential and axial position constant, detects the signal message of each coil unit, it can according to these signal messages It determines the straightness situation of each tested radial coil winding plane centreline 144, and then can determine all tested radial coils Wind the whole straightness situation of plane centreline 144.

If also needing the central line of the detection another group radial coil 142' vertical with 142 normal of radial coil has been surveyed Degree makes another group of radial coil winding plane 143' be in then can substantially be rotated by 90 ° probe nipple on supporting member Then approximate horizontal position is measured using identical operation.

If wishing, this detection platform with the present invention had not only detected radial coil flatness, but also detection radial coil center is straight Dimension, it is preferred that the flatness of one group of radial coil for example can be first detected, then followed by this group of radial coil of detection Heart straightness.

The detection of four, axial direction coil concentricitys

In order to detect the axial coil concentricity of cubical array induction log tool, detection platform 200 of the invention, which is removed, includes Previously described horizontal stationary platen 210, multiple supporting members（Such as V-type supporting block 230）, outside preferred leg assembly 220, Further include one or more mirror ring elements 260.It is disposed in the mirror ring main body 261 of each mirror ring element 260 one or more perpendicular Straight induction loop 268, is, for example, certain conductive metal ring, preferably the conductive metal ring made of copper bar or copper pipe.These Vertical induction loop 268 is preferably embedded in the ring embedding groove 267 in mirror ring main body 261.Each mirror ring element 260 is by can be horizontal To the same cross side for removably mounting within supporting member on stationary platen 210.The quantity of mirror ring element 260 is generally by be examined The quantity of the coil array of survey determines that a usual mirror ring element 260 is for detecting a coil array.Due to particularly using Independent mirror ring element so that this detection platform of the invention has good versatility, can be used for detection probe pipe nipple Coil array number difference and/or various cubical array logging instruments different in size.

The effect of vertical induction loop 268 in mirror ring main body 261 is similar to previously described horizontal induction loop 248. That is, the electromagnetic field that transmitting coil is sent in by tested coil array in detection process of vertical induction loop 268 swashs It encourages, will produce induced electromotive force；And the induced electromotive force can influence the signal that receiving coil receives in tested coil array, from And to determine the concentricity and/or cylindricity for being detected axial coil in coil array according to the information of the signal.

Particularly, in a preferred embodiment, the quantity of the vertical induction loop 268 in each mirror ring main body 261 can Be it is multiple, such as two, three（As shown in Figure 6）, four or more.Vertical induction loop in each mirror ring main body 261 268 are preferably concentrically arranged in same vertical plane.It is highly preferred that these vertical induction loops 268 are circle, and it is same Radial spacing in one mirror ring main body 261 between adjacent upright induction loop uniformity and phase each other on entire ring Zhou Changdu Deng.

When being provided with multiple vertical induction loops 268 in a mirror ring main body, one in these vertical induction loops Some or all vertical induction loops 268 can disconnect in ring circumferential direction, preferably in same circumferential position（Such as Figure 10 institutes At the rectangular channel 273 shown）It disconnects.That is, these vertical induction loops itself can be non-closed ring.Can be each A corresponding closure socket 269 is arranged in the vertical induction loop 268 disconnected at or near its open position（In Fig. 10, It is closed on socket 269 and has inserted the resistance connecting plate 265 that will be described hereinafter, but those skilled in the art can understand, close Socket 269 is closed to be on position corresponding with resistance connecting plate 265 in Figure 10 mirror rings main body 261）.For vertical inductance loop The closure socket 269 of circle and the structure and function of resistance connecting plate 265 are used for closing for horizontal induction loop with what is described above It is similar with 242 to close socket 249, thus to it, it will not go into details at this.

Each mirror ring element 260 may also include stationary phase answer mirror ring main body 261 mirror ring support 262 and can transverse shifting Ground is mounted on the mirror ring sliding rail 264 on stationary platen 210.

In the embodiment shown in fig. 6, mirror ring support 262 is mounted axially displaceable in corresponding mirror ring sliding rail 264 On.The axial coil that this arrangement not only allows the detection platform that can be used for detecting cubical array induction log tool is concentric Degree, and allow the detection platform that can be used for detecting the axial coil cylindricity of cubical array induction log tool.

But what needs to be explained here is that mirror ring support 262 is axially displaceably mounted on corresponding mirror ring sliding rail 264 For the detection of axial coil concentricity itself it is not necessary to.That is, axial line need not be detected certain It encloses in the alternate embodiment of cylindricity, mirror ring support 262 can be connected on mirror ring sliding rail 264（Or make mirror ring support 262 Become an integrated member with mirror ring sliding rail 264）.Introduction according to the present invention, such alternate embodiment are this field skills What art personnel were readily appreciated that and realized, thus herein they are not provided with special diagram.Nevertheless, people in the art Member is it should be understood that these alternate embodiments are by explicitly disclosed herein and announcement.

In order to ensure the straightness of 260 transverse shifting of mirror ring element, the bottom of the mirror ring sliding rail 264 of each mirror ring element 260 It is downwardly projected on face there are one guide pad 275, and is provided with the guide pad with each mirror ring element 260 in stationary platen 210 Guide groove 211 that is 275 matched, being laterally extended, so that the transverse shifting to mirror ring sliding rail 264 is oriented to.Guide groove 211 Length should be greater than or the sum of the transverse width of maximum transversal stroke and guide pad 275 at least equal to mirror ring sliding rail 264.

Preferably, it is horizontal that mirror ring is additionally provided between the mirror ring sliding rail 264 and stationary platen 210 of each mirror ring element 260 To mobile retaining mechanism, after the lateral position of the mirror ring sliding rail 264 adjusts, to be somebody's turn to do relative to the locking of stationary platen 210 The lateral position of mirror ring sliding rail 264.Such retaining mechanism itself is known in this field and technical staff is easy to implement, example Any screw threads for fastening mechanism appropriate can be such as implemented to.It specifically, such as can be in the bottom surface of 264 guide pad 275 of mirror ring sliding rail One threaded hole is set, is thus screwed into its spiro rod section below stationary platen using the locking knob 276 with spiro rod section To lock mirror ring sliding rail 264 relative to stationary platen 210 in the threaded hole.

When detecting the axial coil concentricity of cubical array induction log tool, mirror ring element 260 is adjusted in stationary platen Lateral position on 210 makes receiving coil in coil array integrally receive the maximum intensity of signal, then by mirror ring element 260 It is locked at the lateral position；Then, the signal message for being detected that receiving coil receives in coil array is handled, is believed according to the signal Breath can determine the axial coil concentricity in tested coil array.

The detection of five, axial direction coil cylindricities

It has been previously mentioned, in certain preferred detection platforms of the axial coil concentricity of detection, mirror ring support 262 can axis To removably mounting on corresponding mirror ring sliding rail 264, such detection platform can be used to detect cubical array induction log tool Axial coil cylindricity.

Due in the detection process of axial coil cylindricity, needing mirror ring main body 261 to carry vertical induction thereon Ring 268 is relative to stationary platen 210（Also it is relative to the axial coil in tested probe nipple coil array）It carries out only Vertical axial movement, therefore each mirror ring main body 261 needs to be installed into herein can be independently relative to the progress of stationary platen 210 Axial movement.Specifically the mirror ring support 262 on mirror ring sliding rail 264 is arranged to can be in mirror ring sliding rail 264 along axis To movement.

In such embodiments, the main body of mirror ring sliding rail 264 in axial direction may extend away certain length, it is preferable that The length can be determined according to the axial length of corresponding tested coil array.Two cross sides of mirror ring slide rail body are preferably provided with Certain type face, positive corresponding to mirror ring support 262, to allow mirror ring support 262 and to be fixed thereon Mirror ring main body 261 is in axial direction steady mobile in the main body of mirror ring sliding rail 264.

Mirror annulate shaft is preferably additionally provided with to shifting between the mirror ring support 262 and mirror ring sliding rail 264 of each mirror ring element 260 Dynamic retaining mechanism, after the axial position of corresponding mirror ring main body 261 adjusts, mirror ring is locked relative to mirror ring sliding rail 264 Holder 262, to lock axial position of the mirror ring main body 261 relative to stationary platen（Because mirror ring sliding rail is relative to fixed station Plate cannot move axially）.As previously mentioned, such retaining mechanism itself is known in this field and technical staff is easy to implement , such as any screw threads for fastening mechanism appropriate can be implemented to.Specifically, as shown in Figure 10, it may be, for example, each mirror ring Holder 262 provides a screw-threaded coupling jackscrew 263, is screwed into the threaded hole of mirror ring support 262, to tighten the locking When jackscrew, mirror ring support 262 is locked on corresponding mirror ring sliding rail 264.

When the axial coil cylindricity of detection, the mirror of the corresponding mirror ring element of probe nipple inspection coil array 260 is conveyed Ring main body 261 moves axially on its mirror ring sliding rail 264, the signal message that receiving coil receives in detection coil array, root It can determine the cylindricity of axial coil in tested coil array according to these signal messages.

If not only having detected axial coil concentricity, but also the axial coil cylindricity of detection using this detection platform of the present invention, It is preferred that for example can first detect axial coil concentricity, axial coil cylindricity is then detected again.

Furthermore, it is necessary to explanation, in the various detection platforms of the present invention, in addition to horizontal induction loop 248, vertical sense Ring 268 and their closure socket 249,269, closure plug and connection resistance of resistance connecting plate 242,265 etc. is answered to need It wants outside electrical components that are conductive or generating induced electromotive force, remaining is all to be mechanically connected, is positioned, supported, fixed, is driven Constructive elements, including stationary platen 210, leg assembly 220, supporting member（Such as V-type supporting block 230）, positioning column 236, Height adjusting pads piece 238, sub- platen 240, guide plate 241, drive screw 251, stationary platen retainer 252, the transmission of sub- platen Seat 253, mirror ring main body 261, mirror ring support 262, mirror ring sliding rail 264, mirror ring transverse shifting retaining mechanism（Including locking knob 276）And mirror annulate shaft is to mobile retaining mechanism（Including locking jackscrew 263）, or even including the fastenings such as nut, screw may be installed Part is all made of nonmetallic electrically insulating material（Such as the engineering plastics of electrical isolation）It is made, with as possible so that the platform of the present invention has There is noninductive detection environment.

Moreover, those skilled in the art should there is a clearly recognized that, the present invention in detect five structures described previously The structure and features of precision can be combined organically, a comprehensive detection platform be formed, such as the embodiment institute of Fig. 6 Show.

Finally, although those skilled in the art will also be appreciated that at large had shown and described herein it is multiple exemplary Embodiment still without departing from the spirit and scope of the present invention, still can directly be determined according to present disclosure Or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as Cover other all these variations or modifications.

Claims (10)

1. a kind of platform at least detecting array induction logging tool probe nipple entirety straightness, it is characterised in that including：

Horizontal stationary platen, is formed with a straight visual axial mark scribing line on the top surface of the stationary platen, it is described can Length direction of the optical axis to mark scribing line along stationary platen extends；And

Multiple V-type supporting blocks of the probe nipple of the induction log tool are supported, there are one upwards for each V-type supporting block tool The V-shaped groove of opening, and each V-type supporting block is formed with one from the V-shaped groove in its at least one axial sides Slot bottom center line extend to vertically downwards the V-type supporting block bottom surface visual vertical mark scribing line；

The multiple V-type supporting block is periodically installed at institute by the visual axial mark scribing line removably on the stationary platen It states on stationary platen, and

Visual vertical mark scribing line in each V-type supporting block is with the visual axial mark scribing line on the stationary platen in transverse direction It is aligned on direction.

2. platform according to claim 1, which is characterized in that

Each V-type supporting block has been respectively formed on a visual vertical mark scribing line in two axial sides.

3. platform according to claim 1, which is characterized in that

Each V-type supporting block is plugged on by two location holes on its bottom surface is fixed on the corresponding fixed of the stationary platen On the column of position.

4. platform according to claim 3, which is characterized in that

It is supported in the multiple V-type and is provided with height between part or all of V-type supporting block in the block and the stationary platen Adjusting gasket.

5. platform according to claim 1, which is characterized in that

The multiple V-type supporting block is made up of " the disposable feed-segmentation of material all in one piece is blocking " technique.

6. platform according to claim 1, which is characterized in that

Visual vertical mark scribing line in the multiple V-type supporting block in homonymy axial sides is made of " one-pass " technique.

7. platform according to claim 1, which is characterized in that

The platform further includes the leg assembly of multiple length Independent adjustables, is mounted on the lower section of the stationary platen.

8. platform according to claim 1, which is characterized in that

The induction log tool is cubical array induction log tool.

9. platform according to claim 1, which is characterized in that

The platform further includes：

Sub- platen can be mounted on the stationary platen to transverse shifting, and is formed at least part V Multiple openings that type supporting block extends up through；

One or more horizontal induction loops, are disposed on the sub- platen, and are looped around on the sub- platen described Around opening；And

One or more mirror ring elements are mounted on the same transverse direction except region shared by the sub- platen on the stationary platen Side, and each mirror ring element further comprises：

Mirror ring sliding rail can be mounted on the stationary platen to transverse shifting,

Mirror ring support is axially displaceably mounted on the mirror ring sliding rail, and

Mirror ring main body is fixed on the mirror ring support, and is disposed with one or more vertical induction loops thereon.

10. platform according to claim 1, which is characterized in that

All constructive elements be mechanically connected, positioned, supported, fixed, is driven in the platform are all made of nonmetallic Electrically insulating material is made.