CN202866792U - Four-arm hole diameter logging instrument - Google Patents
Four-arm hole diameter logging instrument Download PDFInfo
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- CN202866792U CN202866792U CN 201220528181 CN201220528181U CN202866792U CN 202866792 U CN202866792 U CN 202866792U CN 201220528181 CN201220528181 CN 201220528181 CN 201220528181 U CN201220528181 U CN 201220528181U CN 202866792 U CN202866792 U CN 202866792U
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- hole diameter
- assembly
- arm
- caliper logging
- motor
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Abstract
The utility model discloses a four-arm hole diameter logging instrument. The four-arm hole diameter logging instrument comprises a shell body, a probing mechanism and a circuit unit. The probing mechanism is installed in the shell body and used for carrying out detecting a hole diameter to obtain a surveying signal of the hole diameter. The circuit unit is connected between the probing mechanism and a ground controlling system and used for the hole diameter detecting to control the probing mechanism according to a ground controlling system order and the hole diameter surveying signal is delivered to the ground controlling system. The four-arm hole diameter logging instrument is small in size, short in the length of the instrument, accurate in surveying data and high in reliability.
Description
Technical field
The utility model relates to the oil reservoir logging technical field, the four arm caliper logging tools of particularly testing for the XY hole diameter.
Background technology
Its spatial shape of boring that drilling operation is shaped is irregular, and in the same level face, the radius of well is often inconsistent, and namely horizontal section is irregular polygon.The caliper logging tool of prior art, diameter with the gage beam measuring well of two interlocks, it can only measure for example situation of change of directions X borehole diameter of a direction, and can not reflect simultaneously for example situation of change of Y-direction borehole diameter of other direction, can only measure a CAL, irregular polygon is considered as circle, and obviously error is larger.The borehole diameter of measuring with the gage beam of two interlocks can not accurately reflect the drilling well actual conditions and produce measure error, and bring impact for later operation.If caliper logging tool can be measured respectively two drilling well diameters on the mutually perpendicular both direction simultaneously, more approaching with reality so, error is much smaller.At present, although the product of more existing dual calipers is released, also exist complex structure, realize high defective and the deficiency of cost.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of four arm caliper logging tools are provided, and its volume is little, and tool length is short, and survey data is accurate, and reliability is high.
To achieve these goals, four arm caliper logging tools of the present utility model comprise: housing; Be installed in and be used for carrying out the probe mechanism that hole diameter detects to obtain the caliper logging signal in the housing; Be connected to the circuit unit between described probe mechanism and the ground control system, be used for carrying out hole diameter according to ground control system instruction control probe mechanism and detect, and the caliper logging signal is sent to ground control system.
Wherein, described probe mechanism comprises: the motor-driven assembly that is used for providing power; The hole diameter test arm assembly that links to each other with the motor-driven assembly; The piston balance sensing assembly that links to each other with hole diameter test arm assembly; Wherein, four arm hole diameter legs in the hole diameter test arm assembly open under the driving of motor-driven assembly or closed motion, in order to carry out the measurement of hole diameter; Wherein, piston balance sensing assembly carries out the balance work done and the displacement that produces when moving according to the hole diameter leg obtains the caliper logging signal.
Preferably, described motor-driven assembly comprises: motor; The turn-screw assembly that is connected with motor; Be installed in the travel switch on the turn-screw assembly; The drive rod that is connected with turn-screw in the turn-screw assembly, its transmission of power with motor is given described hole diameter leg.
Preferably, described hole diameter test arm assembly comprises: the pull bar that is connected with described drive rod; Be sleeved on the spring assembly on the pull bar, spring push-rod wherein links to each other with described hole diameter leg by support bar.
Preferably, described hole diameter leg comprises: measuring stick, one end are installed on the barrel of described housing by pin; Be installed in the termination that the measuring stick other end contacts with the borehole wall; Wherein, described support bar is installed in a described end place of close measuring stick by pin.
Preferably, described piston balance sensing assembly comprises: piston type balance device; The potentiometer assembly that links to each other with piston type balance device.
Particularly, described piston type balance device comprises: be sleeved on the spring case on the described drive rod; Be installed in the piston component in the spring case, piston rod one end wherein props up a described end of described measuring stick.
Particularly, the potentiometer in the described potentiometer assembly is installed in the other end of described piston rod.
Compared with prior art, four arm caliper logging tools of the present utility model have following advantage: piston balance sensing assembly of the present utility model integrates balance and transmits the signal of telecommunication, therefore survey data is more accurate, reliability is higher, and reduced the volume of four arm caliper logging tools, shortened the tool length of four arm caliper logging tools.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the structural representation of four arm caliper logging tools of the present utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION figure that contains the motor-driven assembly of the present utility model;
Fig. 3 is the STRUCTURE DECOMPOSITION figure that contains hole diameter test arm assembly of the present utility model;
Fig. 4 is the STRUCTURE DECOMPOSITION figure that contains piston balance sensing assembly of the present utility model;
Fig. 5 is the fundamental diagram of four arm caliper logging tools of the present utility model.
Description of reference numerals: 1-motor; 2-turn-screw assembly; The 3-travel switch; The 4-drive rod; 5-hole diameter leg; The 6-support bar; The 7-spring push-rod; The 8-spring assembly; The 9-pull bar; The 10-potentiometer; The 11-spring case; The 65-piston rod; 73,76-pin; The 75-measuring stick; The 88-termination.
The specific embodiment
As shown in Figure 1, four arm caliper logging tools of the present utility model comprise: housing; Be installed in and be used for carrying out the probe mechanism that hole diameter detects to obtain the caliper logging signal in the housing; Be connected to the circuit unit between described probe mechanism and the ground control system, be used for carrying out hole diameter according to ground control system instruction control probe mechanism and detect, and the caliper logging signal is sent to ground control system.
Wherein, probe mechanism of the present utility model comprises: the motor-driven assembly that is used for providing power; The hole diameter test arm assembly that links to each other with the motor-driven assembly; The piston balance sensing assembly that links to each other with hole diameter test arm assembly; Wherein, four arm hole diameter legs in the hole diameter test arm assembly open under the driving of motor-driven assembly or closed motion, in order to carry out the measurement of hole diameter; Wherein, piston balance sensing assembly carries out the balance work done and the displacement that produces when moving according to the hole diameter leg obtains the caliper logging signal.
As shown in Figure 2, motor-driven assembly of the present utility model comprises: motor 1; The turn-screw assembly that is connected by shaft coupling with motor; Be installed in the travel switch 3 on the turn-screw assembly, the stroke that moves for the turn-screw according to the turn-screw assembly carries out the switching of circuit; The drive rod 4 that is connected with turn-screw 2 in the turn-screw assembly, its power with motor 1 passes to hole diameter leg 5 indirectly.
As shown in Figure 3, hole diameter test arm assembly of the present utility model comprises: the pull bar 9 that is connected with drive rod 4; Be sleeved on the spring assembly 8 on the pull bar 9, spring push-rod 7 wherein links to each other with hole diameter leg 5 by support bar 6.Hole diameter leg 5 comprises: measuring stick 75, one end are installed on the barrel of housing by pin 73; The termination 88 that is installed in measuring stick 75 other ends and contacts with the borehole wall; Wherein, support bar 6 is installed in an end place of close measuring stick by pin 76.
As shown in Figure 4, piston balance sensing assembly of the present utility model comprises: piston type balance device; The potentiometer assembly that links to each other with piston type balance device.Wherein, piston type balance device comprises: be sleeved on the spring case 11 on the drive rod 4; Be installed in the piston component in the spring case 11, piston rod 65 1 ends wherein prop up an end of measuring stick 75, and the potentiometer 10 in the potentiometer assembly is installed in the other end of piston rod 65.
As shown in Figure 5, the course of work of four arm caliper logging tools of the present utility model is as follows:
When receiving the control instruction of ground control system, circuit unit provide a voltage to drive, then motor is started working: when the motor forward turns round, drive turn-screw 2 and travel forward (in the logging instrument, moving from bottom to top as shown in Figure 1), and turn-screw drive drive rod travels forward; Drive rod pulling pull bar travels forward, pull bar drives spring push-rod and travels forward, spring push-rod drives support bar and travels forward, and support bar spurs forward four arm hole diameter legs that it is drawn in is closed, at this moment, under the effect of the compression silicone oil of the piston rod 65 in the piston component in strata pressure and piston component, be in equilibrium state, and travel switch is triggered naturally outage, voltage is 115V, 50HZ, electric current≤200Ma when closed, and four arm hole diameter legs keep drawing in closed state;
When the motor antiport, drive turn-screw and move backward (in the logging instrument, moving from top to bottom as shown in Figure 1), turn-screw drive this moment drive rod moves backward; Drive rod pulling pull bar moves backward, pull bar drives spring push-rod and moves backward, spring push-rod drives support bar and moves backward, support bar pulls back four arm hole diameter legs, it is opened, and the four arm hole diameter legs that open are close to the borehole wall, move in a circle with borehole wall variation, and, the piston rod that offsets with measuring stick one end on the hole diameter leg under the impetus of measuring stick, backward motion, the displacement of generation obtained the caliper logging signal when this moment, potentiometer 10 move according to measuring stick, and by circuit unit this caliper logging signal is passed to ground control system, thereby realize hole diameter scale and measurement.In the process that four arm hole diameter legs open, when four arm hole diameter legs were flared to diameter and are 500mm, travel switch was triggered, and began outage, and voltage is 115V, 50HZ, electric current≤150mA.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of doing according to the utility model principle all should be understood to fall into protection domain of the present utility model.
Claims (8)
1. an arm caliper logging tool is characterized in that, comprising:
Housing;
Be installed in and be used for carrying out the probe mechanism that hole diameter detects to obtain the caliper logging signal in the housing;
Be connected to the circuit unit between described probe mechanism and the ground control system, be used for carrying out hole diameter according to ground control system instruction control probe mechanism and detect, and the caliper logging signal is sent to ground control system.
2. four arm caliper logging tools according to claim 1 is characterized in that described probe mechanism comprises:
Be used for providing the motor-driven assembly of power;
The hole diameter test arm assembly that links to each other with the motor-driven assembly;
The piston balance sensing assembly that links to each other with hole diameter test arm assembly;
Wherein, four arm hole diameter legs (5) in the hole diameter test arm assembly open under the driving of motor-driven assembly or closed motion, in order to carry out the measurement of hole diameter;
Wherein, piston balance sensing assembly carries out the balance work done and the displacement that produces when moving according to hole diameter leg (5) obtains the caliper logging signal.
3. four arm caliper logging tools according to claim 2 is characterized in that, described motor-driven assembly comprises:
Motor (1);
The turn-screw assembly that is connected with motor;
Be installed in the travel switch (3) on the turn-screw assembly;
The drive rod (4) that is connected with turn-screw (2) in the turn-screw assembly, its transmission of power with motor (1) is given described hole diameter leg (5).
4. four arm caliper logging tools according to claim 3 is characterized in that, described hole diameter test arm assembly comprises:
The pull bar (9) that is connected with described drive rod (4);
Be sleeved on the spring assembly (8) on the pull bar (9), spring push-rod wherein (7) links to each other with described hole diameter leg (5) by support bar (6).
5. four arm caliper logging tools according to claim 4 is characterized in that, described hole diameter leg (5) comprising:
Measuring stick (75), the one end is installed on the barrel of described housing by pin (73);
Be installed in the termination (88) that measuring stick (75) other end contacts with the borehole wall;
Wherein, described support bar (6) is installed in a described end place of close measuring stick by pin (76).
6. four arm caliper logging tools according to claim 5 is characterized in that, described piston balance sensing assembly comprises:
Piston type balance device;
The potentiometer assembly that links to each other with piston type balance device.
7. four arm caliper logging tools according to claim 5 is characterized in that described piston type balance device comprises:
Be sleeved on the spring case (11) on the described drive rod (4);
Be installed in the piston component in the spring case (11), piston rod (65) one ends wherein prop up a described end of described measuring stick (75).
8. four arm caliper logging tools according to claim 7 is characterized in that, the potentiometer (10) in the described potentiometer assembly is installed in the other end of described piston rod (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528181 CN202866792U (en) | 2012-10-16 | 2012-10-16 | Four-arm hole diameter logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528181 CN202866792U (en) | 2012-10-16 | 2012-10-16 | Four-arm hole diameter logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866792U true CN202866792U (en) | 2013-04-10 |
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ID=48033518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220528181 Expired - Lifetime CN202866792U (en) | 2012-10-16 | 2012-10-16 | Four-arm hole diameter logging instrument |
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| CN (1) | CN202866792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043215A (en) * | 2019-05-28 | 2019-07-23 | 西安思坦仪器股份有限公司 | A kind of electronic plugging device of horizontal well |
| CN115977616A (en) * | 2023-02-13 | 2023-04-18 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Well probe wall-adhering device for testing formation thermophysical parameters |
| CN117052379A (en) * | 2023-09-26 | 2023-11-14 | 西南石油大学 | Oil-gas well diameter measurement while drilling device and method |
-
2012
- 2012-10-16 CN CN 201220528181 patent/CN202866792U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043215A (en) * | 2019-05-28 | 2019-07-23 | 西安思坦仪器股份有限公司 | A kind of electronic plugging device of horizontal well |
| CN115977616A (en) * | 2023-02-13 | 2023-04-18 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Well probe wall-adhering device for testing formation thermophysical parameters |
| CN117052379A (en) * | 2023-09-26 | 2023-11-14 | 西南石油大学 | Oil-gas well diameter measurement while drilling device and method |
| CN117052379B (en) * | 2023-09-26 | 2024-03-12 | 西南石油大学 | Oil-gas well diameter measurement while drilling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180118 Address after: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. Address before: 100070 Beijing city Fengtai District Haiying Road No. 1 Building No. 4 hospital on the eastern side of a layer Patentee before: GI Technologies (Beijing) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jichen Intelligent Equipment Group Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |