CN104110246A - Platform for at least detecting concentricity of axial coils of three-dimensional array induction logging instruments - Google Patents

Abstract

The invention discloses a platform for at least detecting the concentricity of axial coils of three-dimensional array induction logging instruments. The platform comprises a horizontal fixing bedplate, a plurality of supporting components, a scope ring unit or a plurality of scope ring units. The supporting components are detachably arranged on the fixing bedplate, so that probe nipples of the three-dimensional array induction logging instruments can be horizontally supported on the upper side of the fixing bedplate; each scope ring unit is transversely movably mounted on the fixing bedplate and is positioned on the same transverse sides of the multiple supporting components, a vertical induction ring is arranged on a scope ring body of each scope ring unit, or a plurality of vertical induction rings are arranged on the scope ring body of each scope ring unit. The platform has the advantages of simple structure, easiness in operation, convenience in maintenance and high universality.

Description

At least detect the platform of the axial coil concentricity of cubical array induction log tool

Technical field

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

Background technology

Array induction logging is a kind of important geophysical probing technique, and its mutual inductance principle based on alternating current is surveyed.Particularly, array induction logging is to utilize the alternating current in transmitting coil in receiving coil, to induce electromotive force, because transmitting coil and receiving coil are all in well to be detected, therefore the inevitable eddy current that induces in stratum around pit shaft of the alternating current of transmitting coil, and this eddy current exerts an influence to the induced electromotive force of receiving coil, therefore this induced electromotive force is relevant with the intensity of eddy current, relevant with the electrical conductivity on stratum.

Fig. 1 schematically shows the cubical array induction log tool 100 of a prior art.Cubical array induction log tool is to grow up on the basis of generic array induction log tool, has certain radially detectivity.

Cubical array induction log tool 100 generally comprises electronic cartridge 110, preposition amplification pipe nipple 120 and probe pipe nipple 130 3 parts, and the structure precision of the pipe nipple 130 of wherein popping one's head in has decisive role to the certainty of measurement of cubical array induction log tool.

Fig. 2 schematically shows probe pipe nipple 130 and has removed the internal construction after shell.As shown in the drawing, probe pipe nipple 130 generally comprises the three dimensional coils array 131 that multiple length does not wait.The insulating short section 133 not waited by length between these coil arrays separates.

Fig. 3 schematically shows a coil unit 140, and each coil array 131 can comprise one or more such coil units.Each coil unit 140 forms by having the matrix 145 of axial center through hole and the many groups wire coil being wrapped on outer surface of matrix.Matrix 145 is insulation band of columns of being made up of nonmetal electrically insulating material.Be wrapped in many group wire coils on matrix 145 and comprise axial coil 141 and radial coil 142 and 142', their coiling length may be different.Coil unit in each coil array 131 can be on demand respectively as transmitting coil or receiving coil.

Probe pipe nipple 130 has a metal axle 132 running through wherein, and its diameter is generally 30 millimeters to 50 millimeters, and slenderness ratio is greater than 60 conventionally.The coil unit 140 of probe pipe nipple 130 all coils arrays 131 and the insulating short section 133 of each coil array of interval are arranged in metal axle 132 vertically adjacently.Fig. 4 shows coil unit 140 and is assemblied in a schematic cross sectional views in metal axle 132, and Fig. 5 schematically shows the position relationship between latter two coil unit of assembling.

In order to make matrix 145 obtain higher machining precision and higher heat stability, prior art has been introduced this matrix of engineering structures ceramic making.The ceramic materials that can be used to form matrix 145 is generally aluminium oxide ceramics and silicon nitride ceramics, utilizes high temperature sintering moulding process these ceramic materialss can be made to the roughly post annular matrix with center through hole.It is little and without the characteristic of magnetic insulation that these ceramic materialss have coefficient of thermal expansion, is conducive to ensure the structure precision of each coil on each matrix 145 and whole coil array.

In the various structure precisions of probe pipe nipple 130, generally having that large or people expect to detect conventionally on the certainty of measurement impact of cubical array induction log tool 100 is following several:

(1) probe pipe nipple integrated straight dimension;

(2) in probe pipe nipple coil array radially the flatness of coil winding plane (referring to Fig. 5, the radial coil that is each coil unit 140 is wound around plane 143, the flatness of 143'), it also can be called the radial coil flatness of cubical array induction log tool for short;

(3) in probe pipe nipple coil array radially the straightness accuracy of the longitudinal center line of coil winding plane (referring to Fig. 5, the radial coil that is each coil unit 140 is wound around plane 143, the longitudinal center line 144 of 143', the straightness accuracy of 144'), it also can be called the radial coil central straight dimension of cubical array induction log tool for short;

(4) in probe pipe nipple coil array axially coil with respect to the concentricity of probe pipe nipple axle (referring to Fig. 5, be that the axial coil 141 of each coil unit is with respect to the concentricity of metal axle 132), it also can be called the axial coil concentricity of cubical array induction log tool for short;

(5) in probe pipe nipple coil array axially the cylindricity of coil winding (referring to Fig. 5, be the cylindricity that the axial coil 141 of each coil unit is wound around in matrix 145 axial external surface), it also can be called the axial coil cylindricity of cubical array induction log tool for short.

How to detect quickly and easily one or more in said structure precision to guarantee precision and the performance of logging instrument, be the difficulties in this area always.At present, state of the art or adopt complicated measurement or calibrating instrument (for example optical gauge) carries out above-mentioned detection by loaded down with trivial details operating procedure, not only cost is higher, and detection efficiency is low; Utilize independently hand dipping apparatus to carry out various measurements with wasting time and energy, then carry out complicated calculating, not only detection efficiency is low, and accuracy of detection is also unsatisfactory.

Especially, measure the concentricity of all axial coils in cubical array induction logging instrument probe pipe nipple axle, a great problem of this area especially, there is no at present suitable device and can carry out comparatively easily this detection simultaneously.

Summary of the invention

An object of the present invention is to provide a kind of and can at least detect the particularly structure precision detection platform of cubical array induction logging instrument probe pipe nipple integrated straight dimension of induction log tool.

Another object of the present invention is that a kind of structure precision detection platform that can at least detect cubical array induction log tool radial coil flatness will be provided.

Another object of the present invention is that a kind of structure precision detection platform that can at least detect cubical array induction log tool radial coil central straight dimension will be provided.

Another object of the present invention is the structure precision detection platform that the axial coil concentricity of a kind of at least cubical array induction log tool will be provided.

Another object of the present invention is that a kind of structure precision detection platform that can at least detect the axial coil cylindricity of cubical array induction log tool will be provided.

A further object of the present invention is to make detection platform of the present invention can detect the above-mentioned various structures precision of cubical array induction log tool, and ensure to detect various structures precision in identical platform, testing process can be not interfering with each other, reduces accuracy of detection.

Of the present invention one further object be to make not only simple in structure, the processing ease, easy to maintenance of platform that can detect various structures precision of the present invention, and there is higher versatility.

According to a first aspect of the invention, provide a kind of platform of at least detection arrays induction logging instrument probe pipe nipple integrated straight dimension, having comprised: the stationary platen of level, has been formed with a straight visual axial mark line on the end face of described stationary platen; And support multiple V-type back-up blocks of the probe pipe nipple of described induction log tool, each described V-type back-up block has the V-shaped groove of a upward opening, and each described V-type back-up block is formed with a bottom land center line from described V-shaped groove and vertically extends to the visual vertical mark line of the bottom surface of this V-type back-up block downwards in its at least one axial sides; Described multiple V-type back-up block is removably arranged on described stationary platen along the visual axial mark line compartment of terrain on described stationary platen, and visual vertical mark line on each described V-type back-up block is rule and alignd in a lateral direction with the visual axial mark on described stationary platen.

Preferably, each described V-type back-up block is all formed with a described visual vertical mark line in two axial sides.

Preferably, each described V-type back-up block is plugged on the corresponding reference column that is fixed on described stationary platen by two locating holes on its bottom surface.

Preferably, between the part in described multiple V-type back-up blocks or all V-type back-up blocks and described stationary platen, be provided with and highly regulate pad.

Preferably, described multiple V-type back-up block is made by " the disposable feed of material all in one piece-be divided into piece " technique.

Preferably, on described multiple V-type back-up block, the visual vertical mark line in homonymy axial sides adopts " one-pass " technique to make.

Preferably, described platform also comprises the independent adjustable leg assembly of multiple length, and it is arranged on the below of described stationary platen.

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

Preferably, described platform also comprises: sub-platen, and it can be arranged on described stationary platen transverse shifting, and is wherein formed with the multiple openings that extend up through for V-type back-up block described at least a portion; One or more horizontal induction loop, it is disposed on described sub-platen, and is looped around around described the above opening of sub-platen; And one or more mirror ring elements, it is arranged on the same cross side outside the above shared region of sub-platen of described stationary platen, and each described mirror ring element further comprises: mirror ring slide rail, it can be arranged on described stationary platen transverse shifting, mirror ring support, it can axially movably be arranged on described mirror ring slide rail, and mirror ring main body, it is fixed on described mirror ring support, and on it, is furnished with one or more vertical induction loop.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

According to a second aspect of the invention, also provide a kind of platform that at least detects cubical array induction log tool radial coil flatness, having comprised: the stationary platen of level; Multiple supporting members, it is removably arranged on described stationary platen, with by the probe pipe nipple of described cubical array induction log tool flatly, can be supported on rotationally described stationary platen top around self axis; And one or more horizontal induction loop, it is disposed on described stationary platen or described stationary platen top, is looped around described at least a portion supporting member around.

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

The longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of the support profile of described supporting member.

Preferably, described platform also comprises a sub-platen being arranged on described stationary platen, be wherein formed with for those by described horizontal induction loop around multiple openings of extending up through of supporting member; Described horizontal induction loop is embedded in described the above opening of sub-platen around; And the longitudinal center line of described horizontal induction loop and the longitudinal center line of described opening align in a lateral direction.

Preferably, described sub-platen is fixedly mounted on described stationary platen, and the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of the support profile of described supporting member.

Preferably, described sub-platen can be arranged on described stationary platen transverse shifting.

Preferably, described multiple supporting members are multiple V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described multiple V-type back-up block is in axial direction plugged on described stationary platen compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, described one or more horizontal induction loop are further set to multiple horizontal induction loop, and these horizontal induction loop are arranged in same level by identical orientation concentrically.

Preferably, each described horizontal induction loop is square circle, and radial spacing between adjacent level induction loop uniformity and being equal to each other on whole ring week.

Preferably, the part in described multiple horizontal induction loop or all horizontal induction loop disconnect on ring Zhou Fangxiang, and each comfortable contiguous open position place is provided with closed socket; And in the horizontal induction loop of all disconnections the closed socket of one or more horizontal induction loop by the resistance junction plate with closed plug with inserting mode closure.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction log tool has metal axle and is fixed on the three dimensional coils array in described metal axle, and each described three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.

According to a third aspect of the invention we, also provide a kind of platform that at least detects cubical array induction log tool radial coil central straight dimension, having comprised: the stationary platen of level; Multiple supporting members, it is removably arranged on described stationary platen, with by the probe pipe nipple of described cubical array induction log tool flatly, can be supported on rotationally described stationary platen top around self axis; Sub-platen, it can be arranged on described stationary platen transverse shifting, and is wherein formed with the multiple openings that extend up through for supporting member described at least a portion; And one or more horizontal induction loop, it is disposed on described sub-platen, and is looped around around described the above opening of sub-platen.

Preferably, the transverse width of described opening is more than or equal to the transverse width sum of maximum transversal stroke and the corresponding described supporting member of described sub-platen; And described horizontal induction loop is embedded in described the above opening of sub-platen around, and the longitudinal center line of described horizontal induction loop and the longitudinal center line of described opening align in a lateral direction.

Preferably, be fixed with a sub-platen retainer on the bottom surface of described sub-platen, it extends to the below of described stationary platen through the opening in described stationary platen; And described platform further comprises sub-platen transverse shifting drive unit, it is arranged under described stationary platen and with described sub-platen retainer and is connected, and drives described sub-platen to carry out transverse shifting.

Preferably, described sub-platen retainer has a horizontal thread through hole in the part below described stationary platen at it; Described sub-platen transverse shifting drive unit comprises sub-platen retainer and sub-platen drive screw, wherein said sub-platen retainer is fixed on the bottom surface of described stationary platen, and described sub-platen drive screw extends and is rotatably installed in described sub-platen retainer along horizontal direction; And internal thread in the tapped through hole of external screw thread on described sub-platen drive screw and described sub-platen retainer matches, drive described sub-platen to carry out transverse shifting.

Preferably, described platform further comprises two guide strips, and it is arranged in the position of two axial sides of contiguous described sub-platen on described stationary platen, and the axial inner side of each described guide strip coordinates with the adjacent axial sides of described sub-platen.

Preferably, described multiple supporting members are multiple V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described multiple V-type back-up block is in axial direction plugged on described stationary platen compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, in two of each described V-type back-up block relative axial sides, be all formed with a bottom land center line from its V-shaped groove and vertically extend to the visual vertical mark line of its bottom surface downwards; And on the end face of described sub-platen, being formed with a straight visual axial mark line, the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the visual axial mark line on described sub-platen.

Preferably, described one or more horizontal induction loop are further set to multiple horizontal induction loop, and described multiple horizontal induction loop are by concentrically, be arranged in same level by identical orientation.

Preferably, each described horizontal induction loop is square circle, and radial spacing between adjacent level induction loop uniformity and being equal to each other on whole ring week.

Preferably, the part in described multiple horizontal induction loop or all horizontal induction loop disconnect on ring Zhou Fangxiang, and each comfortable contiguous open position place is provided with closed socket; And in the horizontal induction loop of all disconnections the closed socket of one or more horizontal induction loop by the resistance junction plate with closed plug with inserting mode closure.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction log tool has metal axle and is fixed on the three dimensional coils array in described metal axle, and each described three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.

According to a forth aspect of the invention, also provide a kind of platform that at least detects the axial coil concentricity of cubical array induction log tool, having comprised: the stationary platen of level; Multiple supporting members, it is removably arranged on described stationary platen, the probe pipe nipple of described cubical array induction log tool is flatly supported on to described stationary platen top; And one or more mirror ring elements, each described mirror ring element can be arranged on the same cross side of described the above multiple supporting member of stationary platen transverse shifting, and is furnished with one or more vertical induction loop in the mirror ring main body of each described mirror ring element.

Preferably, each described mirror ring element also comprises: mirror ring slide rail, and it can be arranged on described stationary platen transverse shifting; And the mirror ring support of fixing corresponding described mirror ring main body, it is arranged on described mirror ring slide rail.

Preferably, on the bottom surface of the mirror ring slide rail of each described mirror ring element, be extruded with a guide pad downwards; And in described stationary platen, have the gathering sill of the horizontal expansion matching with the guide pad of mirror ring element described in each, so that the transverse shifting of described mirror ring slide rail is led.

Preferably, the mirror ring support of each described mirror ring element can be axially movably arranged on its mirror ring slide rail.

Preferably, between the mirror ring slide rail of each described mirror ring element and described stationary platen, be provided with mirror ring transverse shifting retaining mechanism; And between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail, be provided with mirror ring and move axially retaining mechanism.

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

Preferably, each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop in itself and same described mirror ring main body.

Preferably, the part in described multiple vertical induction loop or all vertical induction loop disconnect on ring Zhou Fangxiang, and each comfortable contiguous open position place is provided with closed socket; And in the vertical induction loop of all disconnections the closed socket of one or more vertical induction loop by the resistance junction plate with closed plug with inserting mode closure.

Preferably, described multiple supporting members are multiple V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described multiple V-type back-up block is in axial direction plugged on described stationary platen compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction log tool has metal axle and is fixed on the three dimensional coils array in described metal axle, and each described three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.

According to a fifth aspect of the invention, also provide a kind of platform that at least detects the axial coil cylindricity of cubical array induction log tool, having comprised: the stationary platen of level; Multiple supporting members, it is removably arranged on described stationary platen, the probe pipe nipple of described cubical array induction log tool is flatly supported on to described stationary platen top; And one or more mirror ring elements, each described mirror ring element is installed in the same cross side of described the above multiple supporting member of stationary platen, in the mirror ring main body of each described mirror ring element, be furnished with one or more vertical induction loop, and each described mirror ring main body is installed into relatively described stationary platen independently and moves axially.

Preferably, each described mirror ring element also comprises: mirror ring slide rail, and it is arranged on described stationary platen; And the mirror ring support of fixing corresponding mirror ring main body, it can be axially movably arranged on described mirror ring slide rail.

Preferably, the mirror ring slide rail of each described mirror ring element can be arranged on described stationary platen transverse shifting.

Preferably, on the bottom surface of the mirror ring slide rail of each described mirror ring element, be extruded with a guide pad downwards; And in described stationary platen, have a gathering sill of the horizontal expansion matching with the guide pad of mirror ring element described in each.

Preferably, between the mirror ring slide rail of each described mirror ring element and described stationary platen, be provided with mirror ring transverse shifting retaining mechanism; And between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail, be provided with mirror ring and move axially retaining mechanism.

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

Preferably, each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop in itself and same described mirror ring main body.

Preferably, the part in described multiple vertical induction loop or all vertical induction loop disconnect on ring Zhou Fangxiang, and each comfortable contiguous open position place is provided with closed socket; And in the vertical induction loop of all disconnections the closed socket of one or more vertical induction loop by the resistance junction plate with closed plug with inserting mode closure.

Preferably, described multiple supporting members are multiple V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described multiple V-type back-up block is in axial direction plugged on described stationary platen compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction log tool has metal axle and is fixed on the three dimensional coils array in described metal axle, and each described three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.

Platform provided by the invention is particularly probe pipe nipple integrated straight dimension, radial coil flatness, radial coil central straight dimension, axially coil concentricity, axial one or more in the structure precision such as coil cylindricity of cubical array induction log tool of detection arrays induction log tool easily, and ensure in the time that identical platform detects above-mentioned various structures precision, testing process can be not interfering with each other, reduces accuracy of detection.In addition, platform of the present invention is simple in structure, processing ease, easy to maintenance not only, and has higher versatility.

According to detailed description of the preferred embodiment of the present invention with reference to the accompanying drawings below, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.

Brief description of the drawings

Hereinafter will be described in detail some embodiments of the present invention with reference to accompanying drawing and in exemplary and nonrestrictive mode, in accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not draw by actual ratio.In accompanying drawing:

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

The internal construction of the probe pipe nipple that Fig. 2 schematically shows Fig. 1 cubical array induction log tool after having removed shell, this is the concrete part that the present invention will detect;

Fig. 3 schematically shows a coil unit;

Fig. 4 schematically shows the sectional view that is assemblied in the coil unit in axle;

Fig. 5 schematically shows two position relationships after coil unit assembling;

Fig. 6 is the perspective schematic view of detection platform in accordance with a preferred embodiment of the present invention, and this detection platform is suitable for detecting 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 be detection platform shown in Fig. 6 V-type back-up block and a corresponding reference column thereof, highly regulate the schematic, exploded perspective view of pad;

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

Figure 10 is the schematic enlarged perspective that of detection platform shown in Fig. 6 is assembled in the mirror ring element on stationary platen.

The Reference numeral using in accompanying drawing is as follows:

100 cubical array induction log tools

110 electronic cartridges

120 preposition amplification pipe nipples

130 probe pipe nipples

131 coil arrays

132 metal axles

133 insulating short sections

140 coil units

141 axial coils

142 radial coils

143 radial coils are wound around plane

144 radial coils are wound around the longitudinal center line of plane

142' radial coil

143' radial coil is wound around plane

144' radial coil is wound around the longitudinal center line of plane

145 matrixes

200 detection platform

210 stationary platens

Gathering sill on 211 stationary platens

Visual axial mark line on 214 stationary platen end faces

220 leg assemblies

221 supporting leg main bodys

222 supporting leg retaining rings

223 supporting leg adjustment seats

230 V-type back-up blocks

231 V-type grooves

232 bottom surfaces

233 locating holes

234 visual vertical mark line

236 reference columns

238 highly regulate pad

240 sub-platens

241 guide strips

The resistance junction plate of 242 horizontal induction loop

Rectangular channel on 243 sub-platens

Visual axial mark line on 244 sub-platen end faces

Opening on 245 sub-platens

The ring embedding groove of 247 horizontal induction loop

248 horizontal induction loop

The closed socket of 249 horizontal induction loop

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 slide rails

The resistance junction plate of 265 vertical induction loop

Ring embedding groove in 267 mirror ring main bodys

268 vertical induction loop

The closed socket of 269 vertical induction loop

Rectangular channel in 273 mirror ring main bodys

The guide pad of 275 mirror ring slide rails

The locking knob of 276 mirror ring slide rails.

Detailed description of the invention

Fig. 6 schematically shows detection platform 200 in accordance with a preferred embodiment of the present invention, and it is suitable for detecting the various structures precision of cubical array induction log tool.Detection platform 200 detects the probe pipe nipple of cubical array induction log tool specifically.As described in " background technology " part, this probe pipe nipple preferably has metal axle and is fixed on the three dimensional coils array in metal axle, and each three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.The detectable structure precision of detection platform 200 of the present invention comprises:

(1) probe pipe nipple integrated straight dimension;

(2) radial coil flatness;

(3) radial coil central straight dimension;

(4) axial coil concentricity;

(5) axial coil cylindricity.

Generally speaking, detection platform 200 of the present invention can comprise the stationary platen 210 of level, it typically is the flat plate-shaped member of essentially rectangular.On the end face of stationary platen 210, be preferably formed with a straight visual axial mark line 214, its length direction along stationary platen 210 (being the axial direction of tested probe pipe nipple) extends, middle permission by the disconnection such as slotted eye, opening.In addition, stationary platen 210 can be according to being attached to it or corresponding location notch hole, grafting slotted eye, installing hole being set, passing opening etc. through member wherein.For this class minutia on stationary platen 210, generally will not describe especially herein because they to be all those skilled in the art easily understand and can be according to actual conditions relative set.

The effect of stationary platen 210 is mainly to provide a fixing level basis for other members in the present invention.As those skilled in the art will appreciate that, can adopt arbitrarily suitably calibrating instrument (for example laser level) to provide horizontal calibration line, to stationary platen 210 is regulated to level exactly.Particularly, horizontal calibration line can be incident upon on an end face sideline of stationary platen 210 or near it, first by the leveling of this edge line; Then, successively horizontal calibration line is incident upon on next end face sideline of stationary platen 210 or near it, completes the leveling in this sideline, until all four end face sidelines of stationary platen 210 are all by leveling; Afterwards, making stationary platen 210 remain on this horizontal level maintains static.This kind of method can effectively ensure stationary platen 210 integral planar levels, for the layout of other detection means provides reliable horizontal reference.

In order to facilitate the leveling of stationary platen 210, the present invention preferably provides multiple length independent adjustable leg assembly 220.These leg assemblies are arranged on stationary platen 210 times, to support stationary platen 210 at suitable position, thereby jointly form the integrated support framework of detection platform of the present invention.

As shown in Figure 7, leg assembly 220 can comprise supporting leg main body 221, supporting leg retaining ring 222 and supporting leg adjustment seat 223, wherein between supporting leg adjustment seat 223 and supporting leg main body 221, supporting leg retaining ring 222, all adopts helicitic texture to be connected.Can regulate independently the length of this leg assembly by rotating the shank adjustment seat 222 of each leg assembly 220, regulate the height at respective support position on stationary platen.Preferably, adopting calibrating instrument to assist after the leveling work of stationary platen 210, can screw the supporting leg retaining ring 222 of all leg assemblies, to realize the position locking in stationary platen 210 short transverses, the stability of the testing environment of improving the standard.

The position of leg assembly 220 and quantity can be according to the weight of tested probe pipe nipple and length, and the factor such as the weight capacity of leg assembly 220 specifically arranges, can setting example as 3,4,5,6,8 or more leg assembly.In certain embodiments, 4 leg assemblies can be set, for example four of stationary platen 210 bights are respectively established one.Or, in further embodiments, 6 leg assemblies can be set, for example four of stationary platen 210 bights are respectively established one, and equally spaced set up again two leg assemblies near the long side of tested probe pipe nipple placement location at stationary platen 210, this situation is as shown in Figure 6.

One. the detection of probe pipe nipple integrated straight dimension

For the particularly probe pipe nipple integrated straight dimension of cubical array induction log tool of detection arrays induction log tool, detection platform 200 of the present invention has adopted multiple V-type back-up blocks 230 to support tested probe pipe nipple as supporting member especially.

As shown in Figure 8, each V-type back-up block 230 has V-shaped groove 231 and a planar bottom surface 232 of a upward opening.Each V-type back-up block 230 is formed with the downward visual vertical mark line 234 that vertically extends to bottom surface 232 of a bottom land center line from V-shaped groove 231 (being the longitudinal center line that V-type back-up block 230 supports profile) in its at least one axial sides.Preferably, in two axial sides of each V-type back-up block 230, be all formed with so visual vertical mark line 234.

For the straightness accuracy environment that ensures that tested probe pipe nipple is placed, all V-type back-up blocks 230 are preferably made by " material all in one piece one-pass-be divided into piece " technique, this technique itself is known in machine field, concrete operations are: process an integrated member with V-type groove with material all in one piece, and in the process of V-type groove, in continuous continual feed process, get rid of all excess stock surpluses last on V-type channel profile the last time; Then, the integrated member of acquisition is divided into the independently V-type back-up block of different-thickness.Such processing technology can effectively ensure that the V-shaped groove of V-type back-up blocks all in the present invention has consistent support profile (that is to say, shape of cross section, the cross sectional dimensions of each V-shaped groove and to extend axially trend all identical).

In addition, in order to ensure the uniformity of visual vertical mark scribing position on all V-type back-up blocks 230, the present invention preferably adopts " one-pass " technique to mark and marks the visual vertical mark line in all V-type back-up block homonymy axial sides, this technique itself is also that machine field is known, concrete operations are: by all V-type back-up blocks tile vertically aligned after, the mark that completes visual vertical mark line in all V-type back-up block homonymy axial sides in one-pass process is drawn.

Multiple V-type back-up blocks 230 are removably installed (preferably pegging graft) on stationary platen along the visual axial mark line compartment of terrain on stationary platen 210.When installation, should ensure that the visual vertical mark line 234 on each V-type back-up block 230 is alignd in a lateral direction with the visual axial mark line 214 on stationary platen 210 (that is to say their upright projection coincidences on a horizontal plane).The concrete quantity of V-type back-up block and position can be according to the quantity and the location positionings that need supported support zone on tested probe pipe nipple.Preferably, can a corresponding V-type back-up block 230 be set at each insulating short section place of tested probe pipe nipple supports.That is to say, the present invention is using the insulating short section on tested probe pipe nipple as detecting support zone used when its structure precision.Therefore, in the present invention, when the probe pipe nipple of having removed shell is integrally placed on multiple V-type back-up blocks 230, the coil array of probe pipe nipple is distributed between each support zone also unsettled, thereby has effectively avoided the situation of the stressed damage of coil array.

Further, on the bottom surface 232 of each V-type back-up block 230, can there are two normally blind holes of locating hole 233(of vertically extending).Each V-type back-up block 230 can be plugged on the reference column 236 of stationary platen 210 easily by its locating hole 233.As those skilled in the art all can recognize, the degree of depth of locating hole 233 will be designed to be greater than reference column 236 conventionally stretches out the height of stationary platen 210 end faces.

Between some (part or all) V-type back-up block 233 and stationary platen 210, can be provided with around the height of corresponding reference column 236 and regulate pad 238.Regulate pad 238 by the height that adds different-thickness and/or varying number, not only can make each V-type back-up block in the present invention all can effectively contact and support each support zone of various probe pipe nipple various outer diameters.And the connected structure that the present invention adopts V-type back-up block can realize easily and highly regulate changing the outfit of pad, make the present invention all there is good versatility to the support zone external diameter various probe pipe nipples different with radial distribution.

Multiple V-type back-up blocks 230 are installed on horizontal stationary platen 210 of the present invention by requirement above after, the probe pipe nipple of tested cubical array induction log tool can be placed on V-type back-up block 230.Observe or measure the laminating situation of each V-type back-up block 230 and probe pipe nipple support zone, can determine qualitatively the integrated straight dimension of tested probe pipe nipple.For example, for example, when existing between inclined-plane of the V-shaped groove of any V-type back-up block 230 and probe pipe nipple respective support position while being greater than the gap of a certain preset limit value (1mm, 2mm, 3mm, 4mm or 5mm), can judge that the integrated straight dimension of this probe pipe nipple can not meet the demands.

Here it should be noted that, for the detection of probe pipe nipple other structure precisions, the present invention is preferably at previously described integrated support framework (comprising stationary platen 210 and leg assembly 220) and support and further increase on the basis of the member such as V-type back-up block of probe pipe nipple that other members realize.But, one skilled in the art would recognize that V-type back-up block 230 is only a kind of supporting member of preferred form.It is also possible adopting the supporting member (for example have back-up block that circular arc supports concave surface, can clamp jig or the clamp etc. of substantial cylindrical member) of other appropriate formats to replace V-type back-up block, if these supporting members can by tested probe pipe nipple flatly, be supported on the top of stationary platen 210 capable of regulating circumferential position.These supporting members are preferably arranged to make the longitudinal center line of tested probe pipe nipple in the preferably vertical top of visual axial mark line 214 of stationary platen 210.In addition, preferably also can mark the visual vertical mark line 234 corresponding with the longitudinal center line of its support profile at the vertical side of these supporting members subscript by for example optical calibrating instrument.

Two. the detection of radial coil flatness

In order to detect the radial coil flatness of cubical array induction log tool, detection platform 200 of the present invention for example, except comprising previously described horizontal stationary platen 210, multiple supporting member (V-type back-up block 230), preferred leg assembly 220, also comprise one or more horizontal induction loop 248 that are arranged in above stationary platen 210, it is for example certain conductive metal ring, the conductive metal ring of being preferably made up of copper bar or copper pipe.

In the embodiment shown in fig. 6, horizontal induction loop 248 is embedded on sub-platen 240, and sub-platen 240 can be arranged on stationary platen 210 transverse shifting.Sub-platen 240 is preferably the flat plate-shaped member of essentially rectangular, and is wherein formed with multiple openings 245, for those by horizontal induction loop 248 around supporting member extend up through opening 245, tested probe pipe nipple is supported.These openings are preferably formed their longitudinal center line are in alignment with each other in a lateral direction, and have identical transverse width.On sub-platen 240, be preferably also formed be looped around all opening 245 peripheries ring embedding groove 247(as shown in Figure 9), to horizontal induction loop 248 is embedded on sub-platen 240 reliably.The longitudinal center line of these ring embedding grooves 247 and horizontal induction loop 248 wherein preferably aligns in a lateral direction with the longitudinal center line of opening 245.This arrangement not only allows this detection platform can be used for detecting the radial coil flatness of cubical array induction log tool, and allows this detection platform can be used for detecting the radial coil central straight dimension of cubical array induction log tool.

But it should be noted that here, above-mentioned transversely movable sub-platen 240 is not necessary for the detection of radial coil flatness itself.That is to say, do not need to detect in the alternate embodiment of radial coil central straight dimension at some, not only sub-platen 240 can be connected in stationary platen 210, even can directly horizontal induction loop 248 be embedded on stationary platen 210 and sub-platen 240 needn't be set.According to instruction of the present invention, such alternate embodiment is all that those skilled in the art easily understand and realize, thereby they is not provided to special diagram herein.However, those skilled in the art all it should be understood that these alternate embodiment are by clearly open and announcement herein.

No matter horizontal induction loop 248 be disposed on stationary platen 210 or fixing or transversely movable sub-platen 240 on, detect the longitudinal center line (for example, by visual axial mark line 214 signs on the visual vertical mark line 234 on V-type back-up block 230 or stationary platen 210) that radial coil flatness preferably will make the longitudinal center line of horizontal induction loop 248 and the support profile of supporting member and align in a lateral direction.

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

Especially, in some preferred embodiment, the quantity of horizontal induction loop 248 can be multiple, for example two, three (as shown in Figure 6), four or more.These horizontal induction loop 248 are preferably arranged in same level by identical orientation concentrically.More preferably, these horizontal induction loop 248 are square circle, and radial spacing between adjacent level induction loop uniformity and being equal to each other on whole ring week.

In the time being provided with multiple horizontal induction loop 248, a part wherein or all horizontal induction loop 248 can disconnect on ring Zhou Fangxiang, and preferably at same circumferential position place, (example rectangular channel 243 places as shown in Figure 9) disconnect.That is to say, these horizontal induction loop 248 itself can be the rings of non-closure.The horizontal induction loop 248 that can be each disconnection its open position place or near a corresponding closed socket 249(is set in Fig. 6, on closed socket 249, insert the resistance junction plate 242 that hereinafter will describe, but those skilled in the art all can understand, and the closed socket 249 on sub-platen 240 is under resistance junction plate 242).Especially, in each closed socket 249, can comprise two separated banana bins, they are electrically connected to respectively two open ends at respective horizontal induction loop 248 open position places.

While detecting operation, the one or more horizontal induction loop that can utilize the resistance junction plate 242 with closed plug (not shown) to select from the horizontal induction loop 248 of all disconnections with inserting mode closure, the closed-loop path that makes its formation can produce induced electromotive force, thus different induced electromotive force testing environments provided for the detection of radial coil flatness (and hereinafter described radial coil central straight dimension).

While wanting the horizontal induction loop 248 of closure selecting, normally allow the transmitting coil in tested probe pipe nipple coil array send electromagnetic field, the induced electromotive force that therefore closed horizontal induction loop 248 produces can affect the receiving coil in coil array; Then, whether the signal that in magnetic test coil array, receiving coil entirety receives, satisfy the demand to select according to the intensity size of this signal the closed horizontal induction loop of wanting.Being met after the signal strength signal intensity needing, just can carry out follow-up detecting step.

Preferably, the closed plug on each resistance junction plate 242 can be made up of two banana plugs, between these two banana plugs, is connected by suitable resistance.Particularly, in the time of the horizontal induction loop 248 with the 242 closed disconnections of resistance junction plate, closed plug on resistance junction plate 242 is inserted in the corresponding closed socket of this horizontal induction loop, thereby make this horizontal induction loop be switched to closure state from off-state; And extract resistance junction plate 242, can make this horizontal induction loop 248 be switched to off-state from closure state.Those skilled in the art also can recognize, in some alternate embodiment, also can between the closed plug of this resistance junction plate, set up a suitable on-off switch, like this, just can on the closed socket of the horizontal induction loop of each disconnection, plug all the time resistance junction plate, switch the open circuit/closure state of horizontal induction loop by operation on-off switch, and needn't plug resistance junction plate.

While detecting radial coil flatness, first to make to pop one's head in pipe nipple on supporting member roughly in a suitable circumferential position, so that the position of the winding plane 143 of one group of radial coil 142 to be detected in approximate horizontal.Then, under the help of electrical signal system, the circumferential position of accurate adjustment probe pipe nipple on supporting member, make the entirety of receiving coil in tested coil array receive the intensity maximum (now, the winding plane 143 of all tested radial coils in position the most parallel on horizontal induction loop 248 integral plane of living in) of signal.Then, keep probe pipe nipple circumferential position constant, detect the signal message that each tested radial coil receives, can determine that according to these signal messages each tested radial coil is wound around the flatness difference of plane 143 with respect to horizontal induction loop 248 planes of living in, and then can determine that all tested radial coils are wound around the integral planar degree situation of plane 143.

If also need to detect the flatness of another the group radial coil 142' vertical with surveying radial coil 142 normals, the roughly 90-degree rotation of pipe nipple of can popping one's head on supporting member so, make another position of the winding plane 143' that organizes radial coil in approximate horizontal, then utilize identical operation to measure.

Three. the detection of radial coil central straight dimension

Mention above, detecting in some preferred detection platform of radial coil flatness, be provided with a transversely movable sub-platen 240, such detection platform can be used to detect the radial coil central straight dimension of cubical array induction log tool.

Due in the testing process of radial coil central straight dimension, need sub-platen 240 carrying horizontal induction loop 248 on it with respect to stationary platen 210(that is be the longitudinal center line with respect to tested probe pipe nipple) carry out transverse shifting, therefore, for the ease of determining the lateral attitude of sub-platen, preferably be formed with a straight visual axial mark line 244(on the end face of sub-platen 240 in the middle of, allow by the disconnection such as slotted eye, opening), this visual axial mark line 244 is alignd in a lateral direction with the longitudinal center line of horizontal induction loop 248.

In order to realize the transverse shifting of sub-platen 240, preferably can on the bottom surface of sub-platen 240, fix a sub-platen retainer 253.Sub-platen retainer 253 extends to the below of stationary platen 210 through the respective openings (not shown) in stationary platen 210.Stationary platen is provided with a sub-platen transverse shifting drive unit for 210 times, and it is connected with sub-platen retainer 253, carries out transverse shifting with driven element platen 240.Particularly, described sub-platen transverse shifting drive unit can comprise that being fixed on the sub-platen retainer 252 of stationary platen 210 bottom surfaces and one is installed on sub-platen drive screw 251 in sub-platen retainer 252, horizontal expansion.At it, the part below stationary platen 210 is provided with a horizontal thread through hole to sub-platen retainer 253.External screw thread on sub-platen drive screw 251 matches with the internal thread in sub-platen retainer 253 tapped through holes, by carrying out back and forth transverse shifting without blind spot ground by driven element platen 240 in certain stroke range along being rotated counterclockwise sub-platen drive screw 251.

In order to ensure straightness accuracy and the stationarity of sub-platen 240 transverse shiftings, two guide strips 241 also can be set on stationary platen 210.These two guide strips 241 are positioned to respectively two axial sides of contiguous sub-platen 240.The axial inner side of each guide strip 241 coordinates with adjacent sub-platen axial sides, and the transverse shifting of antithetical phrase platen 240 leads, and the guiding effectively realizing in sub-platen 240 transverse shifting processes is proofreaied and correct.

In addition, for realize sub-platen 240 in certain maximum transversal stroke range without blind spot carry out transverse shifting, on sub-platen 240, the transverse width of multiple openings 245 should be greater than or at least equal the transverse width sum of maximum transversal stroke and the respective support member of sub-platen 240.

While detecting radial coil central straight dimension, first by the operation of describing in " detection of radial coil flatness " joint, make to pop one's head in pipe nipple on supporting member in making tested coil array the circumferential position of receiving coil entirety received signal strength maximum.Then, keep probe pipe nipple circumferential position constant, adjust the lateral attitude of sub-platen 240 with respect to probe pipe nipple longitudinal center line, find the sub-platen lateral attitude point (now, on sub-platen 240, the longitudinal center line of horizontal induction loop 248 and the longitudinal center line of tested coil array entirety registration are best) that makes above-mentioned signal strength signal intensity maximum in this adjustment process.Then, keep probe pipe nipple circumferential and axial invariant position, detect the signal message of each coil unit, can determine that according to these signal messages each tested radial coil is wound around the straightness accuracy situation of plane centreline 144, and then can determine that all tested radial coils are wound around the integrated straight dimension situation of plane centreline 144.

If also need to detect the central straight dimension of another the group radial coil 142' vertical with surveying radial coil 142 normals, the roughly 90-degree rotation of pipe nipple of can popping one's head on supporting member so, make another group radial coil be wound around the position of plane 143' in approximate horizontal, then utilize identical operation to measure.

Both detected radial coil flatness if wish by this detection platform of the present invention, and detected again radial coil central straight dimension, so, preference is as can be first detected the flatness of one group of radial coil, and then then detects the central straight dimension of this group radial coil.

Four. the axially detection of coil concentricity

In order to detect the axial coil concentricity of cubical array induction log tool, detection platform 200 of the present invention for example,, except comprising previously described horizontal stationary platen 210, multiple supporting member (V-type back-up block 230), preferred leg assembly 220, also comprises one or more mirror ring elements 260.In the mirror ring main body 261 of each mirror ring element 260, be furnished with one or more vertical induction loop 268, it is for example certain conductive metal ring, the conductive metal ring of being preferably made up of copper bar or copper pipe.These vertical induction loop 268 are preferably embedded in the ring embedding groove 267 in mirror ring main body 261.Each mirror ring element 260 can be arranged on the same cross side of supporting member on stationary platen 210 transverse shifting.The quantity of mirror ring element 260 generally determines by the quantity of the coil array that will detect, and a common mirror ring element 260 is for detection of a coil array.Owing to having adopted especially independently mirror ring element, make this detection platform of the present invention there is 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 the vertical induction loop 268 in mirror ring main body 261 is similar to previously described horizontal induction loop 248.That is to say, vertically induction loop 268 is subject to the excitation of the electromagnetic field that in tested coil array, transmitting coil sends in testing process, can produce induced electromotive force; And this induced electromotive force can affect the signal that in tested coil array, receiving coil receives, thereby make to determine in tested coil array axially concentricity and/or the cylindricity of coil according to the information of this signal.

Especially, in a preferred embodiment, the quantity of the vertical induction loop 268 in each mirror ring main body 261 can be multiple, for example two, three (as shown in Figure 6), four or more.Vertical induction loop 268 in each mirror ring main body 261 is preferably arranged in same vertical plane concentrically.More preferably, these vertical induction loop 268 are circle, and the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between adjacent vertical induction loop in same mirror ring main body 261.

When be provided with multiple vertical induction loop 268 in a mirror ring main body time, a part in these vertical induction loop or all vertical induction loop 268 can disconnect on ring Zhou Fangxiang, and preferably at same circumferential position place, (example rectangular channel 273 places as shown in figure 10) disconnect.That is to say, these vertical induction loop itself can be the rings of non-closure.The vertical induction loop 268 that can be each disconnection its open position place or near a corresponding closed socket 269(is set in Figure 10, on closed socket 269, insert the resistance junction plate 265 that hereinafter will describe, but those skilled in the art all can understand, closed socket 265 in Figure 10 mirror ring main body 261 on the position corresponding with resistance junction plate 265).Similar with the closed socket 249 and 242 for horizontal induction loop of having described above for the closed socket 269 of vertical induction loop and the 26S Proteasome Structure and Function of resistance junction plate 265, thereby to it, it will not go into details at this.

Each mirror ring element 260 also can comprise the mirror ring support 262 of fixing corresponding mirror ring main body 261 and can be arranged on the mirror ring slide rail 264 on stationary platen 210 transverse shifting.

In the embodiment shown in fig. 6, mirror ring support 262 can be axially movably arranged on corresponding mirror ring slide rail 264.This arrangement not only allows this detection platform can be used for detecting the axial coil concentricity of cubical array induction log tool, and allows this detection platform can be used for detecting the axial coil cylindricity of cubical array induction log tool.

But it should be noted that here, it is not necessary that mirror ring support 262 can be axially movably arranged on corresponding mirror ring slide rail 264 for the detection of axial coil concentricity itself.That is to say, do not need to detect in the alternate embodiment of axial coil cylindricity at some, mirror ring support 262 can be connected in (or making mirror ring support 262 and mirror ring slide rail 264 become an integrated member) on mirror ring slide rail 264.According to instruction of the present invention, such alternate embodiment is that those skilled in the art easily understand and realize, thereby they is not provided to special diagram herein.However, those skilled in the art all it should be understood that these alternate embodiment are by clearly open and announcement herein.

In order to ensure the straightness accuracy of mirror ring element 260 transverse shiftings, on the bottom surface of the mirror ring slide rail 264 of each mirror ring element 260, be extruded with a guide pad 275 downwards, and in stationary platen 210, have and guide pad 275 gathering sill 211 that match, horizontal expansion of each mirror ring element 260, to the transverse shifting of mirror ring slide rail 264 is led.The length of gathering sill 211 should be greater than or at least equal the transverse width sum of maximum transversal stroke and the guide pad 275 of mirror ring slide rail 264.

Preferably, between the mirror ring slide rail 264 of each mirror ring element 260 and stationary platen 210, be also provided with mirror ring transverse shifting retaining mechanism, after adjusting with the lateral attitude at this mirror ring slide rail 264, with respect to the lateral attitude of stationary platen 210 these mirror ring slide rails 264 of locking.Such retaining mechanism itself is known in this field and technician easily realizes, and it for example can be implemented to any suitable screw threads for fastening mechanism.Particularly, for example can a screwed hole be set in the bottom surface of mirror ring slide rail 264 guide pads 275, its spiro rod section be screwed in this screwed hole and lock mirror ring slide rail 264 with respect to stationary platen 210 below stationary platen thereby so just can utilize with the locking knob 276 of spiro rod section.

While detecting the axial coil concentricity of cubical array induction log tool, adjust the lateral attitude of mirror ring element 260 on stationary platen 210, the intensity maximum that makes receiving coil entirety reception signal in coil array, is then locked at this lateral attitude by mirror ring element 260; Then, process the signal message that in tested coil array, receiving coil receives, can determine the axial coil concentricity in tested coil array according to this signal message.

Five. the axially detection of coil cylindricity

Mention above, in some preferred detection platform of the axial coil concentricity of detection, mirror ring support 262 can axially movably be arranged on corresponding mirror ring slide rail 264, and such detection platform can be used to detect the axial coil cylindricity of cubical array induction log tool.

Due in the testing process of axial coil cylindricity, need mirror ring main body 261 carrying vertical induction loop 268 on it with respect to stationary platen 210(that is be with respect to the axial coil in tested probe pipe nipple coil array) independently move axially, therefore each mirror ring main body 261 need to be installed into and can move axially with respect to stationary platen 210 independently at this.Particularly, be that the mirror ring support 262 being arranged on mirror ring slide rail 264 is arranged to move vertically at mirror ring slide rail 264.

In such embodiments, the main body of mirror ring slide rail 264 is extensible certain length in axial direction, and preferably, this length can be determined according to the axial length of corresponding tested coil array.Two cross sides of mirror ring slide rail main body are preferably provided with certain profile, it coordinates with the corresponding profile of mirror ring support 262, to allow mirror ring support 262 and mirror ring main body 261 fixed thereon in axial direction steadily to move in the main body of mirror ring slide rail 264.

Between the mirror ring support 262 of each mirror ring element 260 and mirror ring slide rail 264, be preferably also provided with mirror ring and move axially retaining mechanism, after adjusting with the axial location in corresponding mirror ring main body 261, lock mirror ring support 262 with respect to mirror ring slide rail 264, thereby locking mirror ring main body 261 is with respect to the axial location (because mirror ring slide rail can not move axially with respect to stationary platen) of stationary platen.As previously mentioned, such retaining mechanism itself is known in this field and technician easily realizes, and it for example can be implemented to any suitable screw threads for fastening mechanism.Particularly, as shown in figure 10, for example, can be each mirror ring support 262 a screw-threaded coupling jackscrew 263 is provided, it is screwed in the screwed hole of mirror ring support 262, so that in the time tightening this locking jackscrew, mirror ring support 262 is locked on corresponding mirror ring slide rail 264.

While detecting axial coil cylindricity, the mirror ring main body 261 of conveying the corresponding mirror ring element 260 of probe pipe nipple inspection coil array moves axially on its mirror ring slide rail 264, the signal message that in magnetic test coil array, receiving coil receives, can determine in tested coil array the axially cylindricity of coil according to these signal messages.

If utilize this detection platform of the present invention both to detect axial coil concentricity, detect again axial coil cylindricity, so, preference is as can be first detected axial coil concentricity, and then detects axial coil cylindricity.

In addition, it should be noted that, in various detection platform of the present invention, except horizontal induction loop 248, vertically induction loop 268 and their closed socket 249,269, closed plug and the contact resistance etc. of resistance junction plate 242,265 needs conduction or produces outside the electrical components of induced electromotive force all the other all mechanical connections that carry out, location, support, fixing, the constructive elements of transmission, comprises stationary platen 210, leg assembly 220, supporting member (for example V-type back-up block 230), reference column 236, highly regulate pad 238, sub-platen 240, guide strip 241, drive screw 251, stationary platen retainer 252, sub-platen retainer 253, mirror ring main body 261, mirror ring support 262, mirror ring slide rail 264, mirror ring transverse shifting retaining mechanism (comprising locking knob 276) and mirror ring move axially retaining mechanism (comprising locking jackscrew 263), even comprise nut may be installed, the securing members such as screw, all adopt nonmetal electrically insulating material (engineering plastics of for example electric insulation) to make, to make platform of the present invention have noninductive testing environment as far as possible.

And those skilled in the art should clearly realize that, detect structure and the feature of described five structure precisions above and can organically combine in the present invention, form a comprehensive detection platform, as shown in the embodiment of Figure 6.

Finally, those skilled in the art also will be appreciated that, although at large illustrate and described multiple exemplary embodiments herein, but, without departing from the spirit and scope of the present invention, still can directly determine or derive many other modification or the amendment that meet the principle of the invention according to the disclosed content of the application.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.

Claims (11)

1. a platform that at least detects the axial coil concentricity of cubical array induction log tool, is characterized in that comprising:

The stationary platen of level;

Multiple supporting members, it is removably arranged on described stationary platen, the probe pipe nipple of described cubical array induction log tool is flatly supported on to described stationary platen top; And

One or more mirror ring elements, each described mirror ring element can be arranged on the same cross side of described the above multiple supporting member of stationary platen transverse shifting, and is furnished with one or more vertical induction loop in the mirror ring main body of each described mirror ring element.

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

Each described mirror ring element also comprises:

Mirror ring slide rail, it can be arranged on described stationary platen transverse shifting; And

The mirror ring support of fixing corresponding described mirror ring main body, it is arranged on described mirror ring slide rail.

3. platform according to claim 2, is characterized in that,

On the bottom surface of the mirror ring slide rail of each described mirror ring element, be extruded with a guide pad downwards; And

In described stationary platen, have the gathering sill of the horizontal expansion matching with the guide pad of mirror ring element described in each, so that the transverse shifting of described mirror ring slide rail is led.

4. platform according to claim 2, is characterized in that,

The mirror ring support of each described mirror ring element can be axially movably arranged on its mirror ring slide rail.

5. platform according to claim 4, is characterized in that,

Between the mirror ring slide rail of each described mirror ring element and described stationary platen, be provided with mirror ring transverse shifting retaining mechanism; And

Between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail, be provided with mirror ring and move axially retaining mechanism.

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

The one or more vertical induction loop of arranging in each described mirror ring main body is further set to multiple vertical induction loop, and described multiple vertical induction loop are arranged in same vertical plane concentrically.

7. platform according to claim 6, is characterized in that,

Each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop in itself and same described mirror ring main body.

8. platform according to claim 6, is characterized in that,

A part in described multiple vertical induction loop or all vertical induction loop disconnect on ring Zhou Fangxiang, and each comfortable contiguous open position place is provided with closed socket; And

In the vertical induction loop of all disconnections the closed socket of one or more vertical induction loop by the resistance junction plate with closed plug with inserting mode closure.

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

Described multiple supporting member is multiple V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And

Described multiple V-type back-up block is in axial direction plugged on described stationary platen compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

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

All in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission and are all adopted nonmetal electrically insulating material to make.

11. platforms according to claim 1, is characterized in that,

The probe pipe nipple of described cubical array induction log tool has metal axle and is fixed on the three dimensional coils array in described metal axle, and each described three dimensional coils array is made up of one or more coil units of making as matrix winding wire coil taking the insulation band of column.