CN217112763U

CN217112763U - Density logger calibrating device

Info

Publication number: CN217112763U
Application number: CN202220762073.4U
Authority: CN
Inventors: 李振兴; 吴义永
Original assignee: Jichen Intelligent Equipment Group Co ltd
Current assignee: Jichen Intelligent Equipment Group Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-02
Anticipated expiration: 2032-04-02

Abstract

The utility model belongs to the technical field of logging equipment, a density logging instrument calibrating device is disclosed, include: the device comprises a density logging instrument, a supporting mechanism, a scale block and a sample groove; the density logging instrument is arranged in parallel to the ground; the density logging instrument is arranged on the supporting mechanism; the scale block is provided with a through hole along a first direction, the density logging instrument penetrates through the through hole and abuts against the hole wall of the through hole, and the first direction is parallel to the ground; the sample groove and the scale block are arranged side by side along a first direction, wherein a liquid sample is contained, and a probe of the density logging instrument is inserted into the sample groove. This density logging instrument calibrating device can simplify the calibration work progress, reduces calibration time, improves measurement of efficiency, guarantees operating personnel's health.

Description

Density logger calibrating device

Technical Field

The utility model relates to a logging equipment technical field especially relates to a density logging instrument calibrating device.

Background

Density logging refers to the use of gamma rays as an important logging method for determining lithology and rock density. The logging principle of density logging is as follows, and the fluids in the production well mainly comprise three kinds of oil, gas and water, which have obvious difference in density. The fluid density measurement is to measure the fluid density by a densimeter, and the purpose of distinguishing the properties of the fluid production profile is achieved by measuring the fluid density.

When the existing density logging instrument is calibrated, the density logging instrument needs to be vertically arranged, the total height is about 5 meters, and the density logging instrument needs to be lifted by a crane to penetrate through a vertically arranged scale block and finally extend into a pit and other environments with harsh construction conditions for calibration. The scale block is a standard scale block made of aluminum, aluminum-magnesium alloy, sulfur, rock or other materials, and scales of the density logging instrument can be calibrated by using a module with known density. During calibration, the density logging instrument needs to be lifted by a crane, the angle and the height are adjusted, the density logging instrument smoothly penetrates through the scale block and extends into a pit, the calibration construction time is long, and the efficiency is low; and because the density logging instrument is provided with the radioactive source, the long-time construction can cause radiation damage to constructors, and the health of the constructors is not facilitated.

Therefore, a need exists for a calibration apparatus for a density logging tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a density logging appearance calibrating device, this density logging appearance calibrating device can simplify the calibration work progress, reduces calibration time, improves measurement of efficiency, guarantees operating personnel's health.

To achieve the purpose, the utility model adopts the following technical proposal:

a density tool calibration apparatus, comprising: the device comprises a density logging instrument, a supporting mechanism, a scale block and a sample groove; the density logging instrument is arranged in parallel to the ground; the density logging instrument is mounted on the supporting mechanism; the scale block is provided with a through hole along a first direction, the density logging instrument penetrates through the through hole and abuts against the hole wall of the through hole, and the first direction is parallel to the ground; the sample groove and the scale block are arranged side by side along the first direction, liquid samples are contained in the sample groove, and a probe of the density logging instrument is inserted into the sample groove.

Optionally, the support mechanism comprises a support frame to which the density logging instrument is mounted.

Optionally, the support mechanism further comprises a support cylinder mounted on top of the support stand and configured to support the density logging instrument.

Optionally, the support mechanism further comprises a roller mounted at the bottom of the support frame and configured to move the support frame.

Optionally, the support mechanism further includes a guide rail, the guide rail is mounted on the ground along the first direction, and the roller is mounted on the guide rail and can slide along the guide rail to adjust the distance between the density logging instrument and the sample tank.

Optionally, the number of the guide rails is two, and the two guide rails are arranged in parallel and spaced from each other.

Optionally, the number of the rollers is four, the four rollers are distributed in a rectangular array, every two rollers form one group, and the two groups of rollers roll along the two guide rails respectively.

Optionally, the calibration device for the density logging instrument further comprises a pressing device, a pressing hole is formed in the side wall of the scale block along a second direction, the second direction is perpendicular to the first direction, the pressing device penetrates through the pressing hole and abuts against the density logging instrument, and the density logging instrument abuts against the side wall of the through hole.

Optionally, the calibration device for the density logging instrument further comprises a fixing frame, the fixing frame and the supporting mechanism are arranged on the ground side by side and comprise a supporting table surface and a fixing frame body, the fixing frame body is installed on the ground, the supporting table surface is fixedly connected with the fixing frame body, and the scale blocks and the sample grooves are arranged on the supporting table surface side by side.

Optionally, the fixing frame further includes a reinforcing rod portion, and the reinforcing rod portion is clamped between the supporting table and the fixing frame body.

The utility model has the advantages that:

the utility model provides a density logging instrument among density logging instrument calibrating device sets up on a parallel with ground, supports density logging instrument through setting up supporting mechanism, makes density logging instrument wear to locate the scale piece along the first direction that is on a parallel with ground, and this scale piece can simulate the state in the pit. The probe of the density logger extends into a sample tank, and the sample tank is filled with liquid samples to further simulate the underground state. This density logging instrument calibrating device can simplify the density logging instrument calibration process that needs utilize the crane to carry out, realizes that the level of density logging instrument is placed, reduces calibration time, improves measurement of efficiency, reduces radioactive source radiation operating personnel's time, guarantees operating personnel's health.

Drawings

Fig. 1 is a front view of a density tool calibration apparatus provided by an embodiment of the present invention;

fig. 2 is a side view of a density tool calibration apparatus according to an embodiment of the present invention.

In the figure:

100. a density logger;

200. a support mechanism; 210. a support frame; 220. a support cylinder; 230. a roller; 240. a guide rail;

300. a scale block; 310. a through hole; 320. pressing the hole;

400. a sample tank; 410. a liquid sample;

500. a pressing device;

600. a fixed mount; 610. supporting the table top; 620. a fixed frame body; 630. a reinforcing rod portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 shows a front view of a density logger calibrating device provided by an embodiment of the present invention, and fig. 2 shows a side view of the density logger calibrating device provided by an embodiment of the present invention. Referring to fig. 1 and 2, the density logging instrument calibration apparatus provided in the present embodiment includes a density logging instrument 100, a support mechanism 200, a scale block 300, and a sample cell 400.

Specifically, the density tool 100 is disposed parallel to the surface; the density tool 100 is mounted to the support mechanism 200; the through hole 310 is opened along a first direction on the scale block 300, the density logger 100 penetrates through the through hole 310 and abuts against the hole wall of the through hole 310, the first direction is parallel to the ground, the sample tank 400 and the scale block 300 are arranged side by side along the first direction, wherein a liquid sample 410 is contained, and the probe of the density logger 100 is inserted into the sample tank 400.

More specifically, the liquid sample 410 may be water or other liquid used to simulate the liquid in the space between the density tool 100 and the borehole wall after the density tool 100 is lowered into the borehole.

Referring to fig. 1, the support mechanism 200 specifically includes a support frame 210 and a support cylinder 220, and the density logging unit 100 is mounted to the support frame 210. The support cylinder 220 is mounted on top of the support frame 210 and is configured to support the density tool 100. The height of the supporting cylinder 220 can be adjusted arbitrarily according to the position of the through hole 310, so that the density logging instrument 100 can pass through the through hole 310 smoothly. The supporting cylinder 220 provided by this embodiment can be selected from a hydraulic cylinder, an air cylinder or an adjustable lifting rod in the prior art, and any equipment capable of supporting and adjusting the height can be used.

Preferably, to facilitate quick and easy adjustment of the position of the density logging tool 100, the support mechanism 200 further comprises a roller 230, the roller 230 being mounted at the bottom of the support frame 210 and configured to move the support frame 210.

Preferably, in order to limit the moving direction of the density logging tool 100 and reduce the alignment time, the supporting mechanism 200 further comprises a guide rail 240, the guide rail 240 is installed on the ground along the first direction, the roller 230 is installed on the guide rail 240 and can roll along the guide rail 240 to adjust the distance between the density logging tool 100 and the sample tank 400.

Specifically, the number of the guide rails 240 is two, and the two guide rails 240 are arranged in parallel and spaced apart from each other. The number of the rollers 230 is four, the four rollers 230 are distributed in a rectangular array, and two rollers 230 are in a group, and two groups of the rollers 230 roll along the two guide rails 240 respectively.

The density logging instrument calibration device provided by this embodiment further includes a pressing device 500, the sidewall of the scale block 300 is provided with a pressing hole 320 along a second direction, the second direction is perpendicular to the first direction, the pressing device 500 penetrates through the pressing hole 320 and abuts against the density logging instrument 100, and the density logging instrument 100 abuts against the sidewall of the through hole 310. When the density logger is inserted into a well with a diameter larger than that of the density logger, in order to ensure the accuracy of measurement, the density logger 100 needs to be tangent to the inner side of the well wall, and the simulation of the above conditions can be realized by using the pressing device 500.

The compressing device 500 provided by the embodiment can adopt a telescopic cylinder or a telescopic rod in the prior art, and all the compressing holes 320 can be penetrated and arranged and the length of the compressing holes in the scale block 300 can be adjusted, so that the compressing device can be supported by the density logging instrument 100.

Specifically, the scale block 300 is a standard scale block made of aluminum, aluminum-magnesium alloy, sulfur, rock or other materials, and the density logging instrument 100 can be calibrated by using the module with known density.

Optionally, the calibration apparatus for a density logging instrument further includes a fixing frame 600, the fixing frame 600 and the supporting mechanism 200 are disposed on the ground side by side, and include a supporting table 610 and a fixing frame 620, the fixing frame 620 is mounted on the ground, the supporting table 610 is parallel and fixedly connected to the fixing frame 620, and the scale block 300 and the sample tank 400 are disposed on the supporting table 610 side by side.

Preferably, the fixing frame 600 further includes a reinforcing rod 630, the reinforcing rod 630 is clamped between the supporting table 610 and the fixing frame body 620, and the supporting table 610 is fixedly connected to the fixing frame body 620 through the reinforcing rod 630.

The stiffener portion 630 that this embodiment provided specifically is six, and six stiffener portions 630 are parallel to each other, are the rectangle array and arrange, and both ends link firmly respectively in the bottom of supporting table 610 and the top of fixed support body 620 to reinforcing mount 600's reliability and stability.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A density tool calibration apparatus, comprising:

a density logging tool (100), the density logging tool (100) being disposed parallel to the surface;

a support mechanism (200), the density logging instrument (100) being mounted to the support mechanism (200);

the density logging instrument comprises a scale block (300), wherein a through hole (310) is formed in the scale block (300) along a first direction, the density logging instrument (100) penetrates through the through hole (310) and abuts against the hole wall of the through hole (310), and the first direction is parallel to the ground;

a sample cell (400), the sample cell (400) and the scale block (300) being arranged side by side along the first direction, wherein a liquid sample (410) is contained, and a probe of the density logging instrument (100) is inserted into the sample cell (400).

2. The device of claim 1, wherein the support mechanism (200) comprises a support frame (210), the density logging instrument (100) being mounted to the support frame (210).

3. The density tool calibration apparatus of claim 2, wherein the support mechanism (200) further comprises a support cylinder (220), the support cylinder (220) being mounted on top of the support frame (210) and configured to support the density tool (100).

4. The density tool calibration apparatus of claim 2, wherein the support mechanism (200) further comprises a roller (230), the roller (230) mounted to a bottom of the support frame (210) configured to move the support frame (210).

5. The apparatus of claim 4, wherein the support mechanism (200) further comprises a guide rail (240), the guide rail (240) being mounted to the surface in the first direction, the roller (230) being mounted to the guide rail (240) and being rollable along the guide rail (240) for adjusting a distance between the density tool (100) and the sample tank (400).

6. The apparatus of claim 5, wherein the number of guide rails (240) is two, and the two guide rails (240) are spaced apart from and parallel to each other.

7. The device for calibrating a density logging instrument according to claim 6, wherein the number of the rollers (230) is four, the four rollers (230) are distributed in a rectangular array, one set is formed by two rollers, and two sets of the rollers (230) roll along the two guide rails (240), respectively.

8. The device for calibrating the density logging instrument according to claim 1, further comprising a pressing device (500), wherein a pressing hole (320) is formed in a side wall of the scale block (300) along a second direction, the second direction is perpendicular to the first direction, the pressing device (500) is arranged in the pressing hole (320) in a penetrating manner and abuts against the density logging instrument (100), and the density logging instrument (100) abuts against a side wall of the through hole (310).

9. The device for calibrating the density logging instrument according to any one of claims 1 to 8, further comprising a fixing frame (600), wherein the fixing frame (600) and the supporting mechanism (200) are arranged on the ground side by side and comprise a supporting table (610) and a fixing frame body (620), the fixing frame body (620) is arranged on the ground, the supporting table (610) is fixedly connected to the fixing frame body (620), and the scale block (300) and the sample tank (400) are arranged on the supporting table (610) side by side.

10. The device for calibrating a density logging instrument according to claim 9, wherein the fixing frame (600) further comprises a reinforcing rod part (630), and the reinforcing rod part (630) is clamped between the supporting table (610) and the fixing frame body (620).