CN204242509U - A kind of geophysical well logging teaching experiment system - Google Patents
A kind of geophysical well logging teaching experiment system Download PDFInfo
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- CN204242509U CN204242509U CN201420674301.8U CN201420674301U CN204242509U CN 204242509 U CN204242509 U CN 204242509U CN 201420674301 U CN201420674301 U CN 201420674301U CN 204242509 U CN204242509 U CN 204242509U
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Abstract
The utility model discloses a kind of geophysical well logging teaching experiment system, object is: adopt natural rock landwaste Reality simulation formation lithology, can under true logging environment condition, measure the geophysical well logging response characteristic of different lithology, the technical scheme adopted is: comprise well, the stratum module on simulation natural rock stratum is provided with in well, stratum module is made up of natural rock landwaste, be included in the grey rock stratum set gradually in well from bottom to top, coarse sand rock stratum, fine sand rock stratum, coal rock layer and shale layer, the well be convenient to well logging inserting tube and put into is offered in the module of stratum, described well logging inserting tube is connected to well logging control panel by cable and signal transmssion line, well logging control panel connects the computing machine that can show the data that well logging inserting tube gathers, described cable can regulate well logging inserting tube position in the wellbore by adjustment length, described well logging control panel can control acquisition speed and the running status of well logging inserting tube.
Description
Technical field
The utility model belongs to applied geophysics logging practice teaching field, is specifically related to a kind of geophysical well logging teaching experiment system.
Background technology
Geophysical well logging experimental teaching is one of ore deposit, ground, the most important Specialty Practice course of oil institution of higher learning exploration and development specialty.The object offering this experiment is, while allowing student witness the whole process of well logging in the school in laboratory, grasps the rock physical property on different lithology stratum, strengthens the understanding to geophysical well logging gatherer process and Method And Principle.In actual production, the lithology on stratum is comparatively complicated, and different rock has different rock physical properties.
At present, the teacher of geophysical well logging specialty and experimenter, according to the situation of each Scientific Research in University Laboratory, have developed geophysical well logging experiment device for teaching in succession.Take a broad view of existing experiment device for teaching, focus mostly in teaching simulated experiment device aspect; In addition, also someone adopts natural sandstone to carry out education experiment.Take a broad view of existing geophysics experiment device for teaching, substantially all concentrate on indoor stratum module or water trough model.Make full use of waste and old well, and adopt natural rock landwaste still to belong to blank to make geophysical well logging teaching well aspect.Lacking of this device, not only have influence on the effect of geophysical well logging experimental teaching, and directly have influence on the deep understanding that student logged well to scene by geophysical well logging.
Utility model content
In order to solve the problems of the prior art, the utility model proposes a kind of employing natural rock landwaste Reality simulation formation strata, utilize geophysical well logging instrument, under true logging environment condition, the geophysical well logging teaching experiment system of the geophysical well logging response characteristic of different lithology can be measured.
In order to realize above object, the technical scheme that the utility model adopts is: comprise well, the stratum module on simulation natural rock stratum is provided with in well, stratum module is made up of natural rock landwaste, be included in the grey rock stratum set gradually in well from bottom to top, coarse sand rock stratum, fine sand rock stratum, coal rock layer and shale layer, the well be convenient to well logging inserting tube and put into is offered in the module of stratum, described well logging inserting tube is connected to well logging control panel by cable and signal transmssion line, well logging control panel connects the computing machine that can show the data that well logging inserting tube gathers, described cable can regulate well logging inserting tube position in the wellbore by adjustment length, described well logging control panel can control acquisition speed and the running status of well logging inserting tube.
Each rock stratum of described stratum module is made up by press of the natural landwaste of limestone, sandstone grit, packsand, coal petrography and mud stone respectively.
The gluing connection of epoxyn is adopted between each rock stratum of described stratum module.
Described well is positioned at the position, middle of stratum module.
Described well top is provided with pulley bracket, and pulley bracket is provided with pulley, and cable realizes the position of adjustment well logging inserting tube by pulley.
The end of described cable is provided with reel truck, and cable can be wrapped on reel truck, and is realized the adjustment of the length of cable by the cooperation of pulley.
Compared with prior art, the utility model utilizes module simulation natural rock stratum, stratum, stratum module is placed in well, stratum module is set to the structure of five kinds of different lithology types, simulate natural rock stratum really, simulate real logging environment condition, stretch in the well of stratum module by well logging inserting tube, well logging control panel is utilized to control acquisition speed and the running status of well logging inserting tube, and by data that Computer display gathers, the resistivity of stratum module can be obtained, thus achieve Reality simulation logging environment, the utility model can adopt the natural rock landwaste of different lithology type to make stratum module, utilize geophysical well logging instrument just can under true logging environment condition, measure the geophysical well logging response characteristic of different lithology, apparatus structure of the present utility model is simple, easy to operate, strong adaptability, be convenient to carry out geophysical well logging education experiment.
Further, each rock stratum adopts natural landwaste to make, and by press compacting, makes cutting grain close contact, make its artificial rock stratum have identical pore texture with real rock.
Further, well is positioned at the position, middle of stratum module, when well logging inserting tube is logged well, can obtain resistivity data more accurately, improve the precision of device well logging.
Further, between each rock stratum, adopt adhesive glue to be connected, ensure that the globality of stratum module, improve the authenticity of simulated formation, ensure that the accuracy rate of well logging.
Further, be convenient to the length of control cables by pulley, regulate the position of well logging inserting tube, enable well logging inserting tube test the resistivity of each position, convenient operation.
Further, by reel truck folding and unfolding cable, and coordinated by pulley, be convenient to adjust cable length, thus mobile well logging inserting tube, structure is simple, handled easily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein, 1 be shaft bottom, 2 for well, 3-1 be grey rock stratum, 3-2 is coarse sand rock stratum, 3-3 is fine sand rock stratum, 3-4 is coal rock layer, 3-5 be shale layer, 4 is well, 5 for well logging inserting tube, 6 be cable, 7 be pulley bracket, 8 be pulley, 9 be reel truck, 10 be signal transmssion line, 11 for well logging control panel, 12 be computing machine.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
See Fig. 1, the utility model comprises well 2, the stratum module on simulation natural rock stratum is provided with in well 2, stratum module is included in the grey rock stratum 3-1 set gradually in well 2 from bottom to top, coarse sand rock stratum 3-2, fine sand rock stratum 3-3, coal rock layer 3-4 and shale layer 3-5, limestone is used respectively in each rock stratum of stratum module, sandstone grit, packsand, the natural landwaste of coal petrography and mud stone is made, and adopt press to make cutting grain compacting, the gluing connection of epoxyn is adopted between each rock stratum of stratum module, the well 4 be convenient to well logging inserting tube 5 and put into is offered in position, module middle, stratum, well logging inserting tube 5 is connected to well logging control panel 11 by cable 6 and signal transmssion line 10, well logging control panel 11 connects the computing machine 12 that can show the data that well logging inserting tube 5 gathers, well 2 top is provided with pulley bracket 7, pulley bracket 7 is provided with pulley 8, the end of cable 6 is provided with reel truck 9, cable 6 can be wrapped on reel truck 9, and the adjustment of the length of cable 6 is realized by the cooperation of pulley 8.Cable 6 can regulate the well logging position of inserting tube 5 in well 4 by adjustment length, and well logging control panel 11 can control acquisition speed and the running status of well logging inserting tube 5.
Well 2 of the present utility model utilizes the dark waste and old well for 20m, gathers the limestone of actual oilfield drilling, sandstone grit, packsand, coal petrography and mud stone landwaste, and adopt epoxy resin as tackifier, make the thick position 4m in each rock stratum, total thickness is the rock stratum of 20m; The long high strength steel sleeve pipe for 21m is placed on well center, and is coated with one deck detackifier at steel bushing outer surface after carrying out pressurization compacting to shaft bottom 1 and well wall by employing press; Add limestone, sandstone grit, packsand, coal petrography and mud stone landwaste successively from shaft bottom to well head, use epoxy resin gluing between landwaste, and make its cutting grain close contact with press, make its artificial rock stratum have identical pore texture with real rock; After treating that the complete consolidation in each rock stratum is good, adopt small-sized crane to be extracted by steel sleeve pipe, thus form well 4, well logging inserting tube 5 is positioned in well 4, just can carries out geophysical well logging education experiment.
The utility model comprises: well 2, stratum module, well 4, well logging inserting tube 5, cable 6, reel truck 9, well logging control panel 11, computing machine 12, pulley 8 and pulley bracket 7, stratum module is made up of the natural landwaste of five kinds of different lithology types of grey rock stratum 3-1, coarse sand rock stratum 3-2, fine sand rock stratum 3-3, coal rock layer 3-4 and shale layer 3-5, and stratum module and well 4 have set up the ground environment of geophysical well logging jointly.
In order to carry out the true natural rock simulated experiment that true logging environment affects geophysical well logging, grey rock stratum 3-1 is followed successively by from shaft bottom 1 to well head, coarse sand rock stratum 3-2, fine sand rock stratum 3-3, coal rock layer 3-4 and shale layer 3-5, five kinds of natural rock rock layers form stratum module, well 4 is set in the middle part of the module of stratum, well logging inserting tube 5 is positioned in well 4, well logging inserting tube 5 is connected with well logging control panel 11 by cable 6, well logging control panel 11 connects computing machine, by cable 6 and reel truck 9, well logging inserting tube 5 is at the uniform velocity moved from shaft bottom 1 toward well head, just the resistivity of five kinds of prosthetic graft stratum modules can be measured, thus achieve the geophysical well logging education experiment of true logging environment.
As shown in Figure 1, the stratum module of this geophysical well logging education experiment well is made up of grey rock stratum 3-1, coarse sand rock stratum 3-2, fine sand rock stratum 3-3, coal rock layer 3-4 and shale layer 3-5 five kinds different lithology, is well 4 in the middle part of stratum module 3.
Measuring system comprises well logging inserting tube 5, cable 6, pulley bracket 7, pulley 8, reel truck 9, signal transmssion line 10 and well logging control panel 11.Well logging inserting tube 5 top stube cable 6, cable 6 is connected with pulley 8, reel truck 9, signal transmssion line 10, control panel 11 of logging well, the resistivity that well logging inserting tube 5 records is transferred to computing machine 12 carries out showing and storing through cable 6, signal transmssion line 10, pulley 8 is fixed by pulley bracket 7, in geophysical well logging process, control by well logging control panel 11 picking rate of logging well, and check the running status of well logging inserting tube 5.
The utility model test process is: be first positioned over bottom well 4 by well logging inserting tube 5; By arranging the parameters of well logging control panel 11, making well logging inserting tube 5 at the uniform velocity pass five class lithologic character stratums from shaft bottom to well head, just can measure the physical attribute of different rock type, thus complete geophysical well logging education experiment.
Well logging inserting tube 5 at the uniform velocity moves from shaft bottom 1 to well head according to practical logging speed, i.e. the geophysical well logging response on detectable different lithology stratum; During the well logging stratum module of inserting tube 5 at the uniform velocity by different rock type, just can realize geophysical well logging education experiment.Therefore, make full use of waste and old well, adopt the natural rock landwaste of five kinds of lithology types to make geophysical well logging education experiment well, and to carry out geophysical well logging education experiment be key innovation place of the present utility model.The utility model can be used for the practical teaching of the ground institution of higher learning such as ore deposit, oil geophysical well logging, and promotes the effect of geophysical well logging practical teaching.Feature of the present utility model and beneficial effect are: the natural rock landwaste adopting different lithology type, utilize geophysical well logging instrument, just can under true logging environment condition, measure the geophysical well logging response characteristic of different lithology, the utility model apparatus structure is simple, easy to operate, strong adaptability.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model embodiment with reference to previous embodiment, those skilled in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, and these amendments, do not make the essence of appropriate technical solution depart from the category of the utility model embodiment technical scheme.
Claims (6)
1. a geophysical well logging teaching experiment system, it is characterized in that: comprise well (2), the stratum module on simulation natural rock stratum is provided with in well (2), stratum module is made up of natural rock landwaste, be included in the grey rock stratum (3-1) set gradually in well (2) from bottom to top, coarse sand rock stratum (3-2), fine sand rock stratum (3-3), coal rock layer (3-4) and shale layer (3-5), the well (4) be convenient to well logging inserting tube (5) and put into is offered in the module of stratum, described well logging inserting tube (5) is connected to well logging control panel (11) by cable (6) and signal transmssion line (10), well logging control panel (11) connects the computing machine (12) that can show the data that well logging inserting tube (5) gathers, described cable (6) can regulate well logging inserting tube (5) position in well (4) by adjustment length, described well logging control panel (11) can control acquisition speed and the running status of well logging inserting tube (5).
2. a kind of geophysical well logging teaching experiment system according to claim 1, is characterized in that: each rock stratum of described stratum module is made up by press of the natural landwaste of limestone, sandstone grit, packsand, coal petrography and mud stone respectively.
3. a kind of geophysical well logging teaching experiment system according to claim 1, is characterized in that: adopt the gluing connection of epoxyn between each rock stratum of described stratum module.
4. a kind of geophysical well logging teaching experiment system according to claim 1, is characterized in that: described well (4) is positioned at the position, middle of stratum module.
5. a kind of geophysical well logging teaching experiment system according to claim 1, it is characterized in that: described well (2) top is provided with pulley bracket (7), pulley bracket (7) is provided with pulley (8), cable (6) realizes the position of adjustment well logging inserting tube (5) by pulley (8).
6. a kind of geophysical well logging teaching experiment system according to claim 5, it is characterized in that: the end of described cable (6) is provided with reel truck (9), cable (6) can be wrapped on reel truck (9), and realizes the adjustment of cable (6) length by the cooperation of pulley (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420674301.8U CN204242509U (en) | 2014-11-12 | 2014-11-12 | A kind of geophysical well logging teaching experiment system |
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| CN201420674301.8U CN204242509U (en) | 2014-11-12 | 2014-11-12 | A kind of geophysical well logging teaching experiment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105243954A (en) * | 2015-07-23 | 2016-01-13 | 重庆科技学院 | Coiled tubing electric control hydraulic drive tractor experimental device |
| CN106707364A (en) * | 2016-11-30 | 2017-05-24 | 中石化石油工程技术服务有限公司 | Construction method of standard well for radar logging |
| CN106781959A (en) * | 2015-11-21 | 2017-05-31 | 郑平 | A kind of exploratory trench engineering the situation teaching area implementation in the school |
| CN106781960A (en) * | 2015-11-21 | 2017-05-31 | 郑平 | A kind of shallow well the situation teaching area implementation in the school |
| CN110136517A (en) * | 2019-04-11 | 2019-08-16 | 西南石油大学 | Open-hole logging analogy method |
-
2014
- 2014-11-12 CN CN201420674301.8U patent/CN204242509U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243954A (en) * | 2015-07-23 | 2016-01-13 | 重庆科技学院 | Coiled tubing electric control hydraulic drive tractor experimental device |
| CN105243954B (en) * | 2015-07-23 | 2017-12-22 | 重庆科技学院 | Coiled tubing Electro-hydraulic drive tractor experimental provision |
| CN106781959A (en) * | 2015-11-21 | 2017-05-31 | 郑平 | A kind of exploratory trench engineering the situation teaching area implementation in the school |
| CN106781960A (en) * | 2015-11-21 | 2017-05-31 | 郑平 | A kind of shallow well the situation teaching area implementation in the school |
| CN106781960B (en) * | 2015-11-21 | 2019-04-09 | 湖南工程职业技术学院 | A kind of shallow well the situation teaching area implementation method in the school |
| CN106781959B (en) * | 2015-11-21 | 2019-04-16 | 湖南工程职业技术学院 | A kind of exploratory trench engineering the situation teaching area implementation method in the school |
| CN106707364A (en) * | 2016-11-30 | 2017-05-24 | 中石化石油工程技术服务有限公司 | Construction method of standard well for radar logging |
| CN106707364B (en) * | 2016-11-30 | 2018-10-12 | 中石化石油工程技术服务有限公司 | A kind of construction method of radar logging standard well |
| CN110136517A (en) * | 2019-04-11 | 2019-08-16 | 西南石油大学 | Open-hole logging analogy method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151112 |