CN203189002U - Oil exploration logging while drilling LWD system cooling device - Google Patents
Oil exploration logging while drilling LWD system cooling device Download PDFInfo
- Publication number
- CN203189002U CN203189002U CN 201320054463 CN201320054463U CN203189002U CN 203189002 U CN203189002 U CN 203189002U CN 201320054463 CN201320054463 CN 201320054463 CN 201320054463 U CN201320054463 U CN 201320054463U CN 203189002 U CN203189002 U CN 203189002U
- Authority
- CN
- China
- Prior art keywords
- electronic circuit
- lwd
- cooling unit
- oil exploration
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an oil exploration logging while drilling LWD system cooling device. An LWD logging while drilling system electronic circuit and an electronic circuit casing are arranged in the oil exploration logging while drilling LWD system cooling device. The oil exploration logging while drilling LWD system cooling device is characterized by comprising a cooling device casing. The cooling device casing is arranged out of the electronic circuit casing, a sealed interlayer space is formed between the electronic circuit casing and the cooling device casing, and polyalkylene glycol water solution is arranged in the interlayer space. Due to the facts that the cooling device casing is arranged out of the electronic circuit casing, the sealed interlayer space is formed between the cooling device casing and the electronic circuit casing, the polyalkylene glycol water solution is arranged in the interlayer space, and the polyalkylene glycol water solution is filled out electronic circuit equipment, heat generated by drilling in and drilling out of a drill bit can be effectively cooled to prevent the equipment from working at high-temperature environments for a long time. Thus, scrap period is prolonged, and service life of the equipment is greatly prolonged.
Description
Technical field
The utility model relates to a kind of cooling unit, relates in particular to a kind of oil exploration with boring LWD logging system cooling unit.
Background technology
Along with the fast development in petroleum industry of biotechnology, information technology, oil exploitation is just advanced towards high efficiency, high-quality direction.At present, the novel device that my company is using, oil exploration is with boring LWD(Logging While Drilling(with boring well logging) test macro, be to be embedded in the preceding measurement mechanism of oil-well rig drilling rod, measurement while drilling geologic data in drilling process, for oil exploitation provides science, survey data accurately, belong to the petroleum industry high-tech product.Measurement while drilling subsurface geology data in the oil drilling process for oil exploitation provides science, survey data accurately, realize intelligence, the accurate purpose of well-digging.
This well logging during device now has been widely used in domestic and international petroleum exploration field owing to more advanced.Because drill bit at high temperature rotates and broken rock in creeping into always, produce a lot of heats, drilling tool also constantly produces heat with wall friction simultaneously, can affect to this device, because the price advantage of this device, also have stronger competitive advantage in the international market, produce market has a extensive future.Oil exploration to reducing the domestic petroleum cost of winning, is filled up the blank of this technical field of China with boring succeeding in developing of LWD logging system, has favorable economic benefit and social benefit.
But in petrochemical industry class department, various device is in environmental work under the high temperature for a long time, along with developing rapidly of China's industrial technology, these equipment bear more and more higher temperature and the load effect that becomes increasingly complex, and requiring these equipment to have certain Q-percentile life phase has become very distinct issues.Under hot environment, the yield strength at some position of equipment and modulus of elasticity all can be affected, and anti-fatigue performance also descends gradually, and wear-resistant ability reduces gradually, and under the high temperature action, the cementite in the heat resisting steel tissue easily is decomposed into iron and graphite.Under the high temperature, the atom diffusivity of heat resisting steel increases, and causes redistributing between the solid solution of alloying element and the carbide, causes the dilution of alloying element in the solid solution.Pearlitic carbide is become spherically under the high temperature by sheet, and after the transformation, the creep strength of steel descends.Creep also is to produce because work under hot environment for a long time.Generally speaking, all service life of equipments all can indefinitely shorten under the high temperature.
Oil exploration is with boring LWD(Logging While Drilling(with boring well logging) many LWD of test macro all are arranged in the drill bit with boring electronic circuit, yet drill bit can produce a large amount of heat, the electronic circuit in the damage system easily at the high speed rotary course.
The utility model content
Technical problem to be solved in the utility model provides a kind of oil exploration with boring LWD logging system cooling unit, overcomes the exploration of prior art PetroChina Company Limited. with boring LWD(Logging While Drilling(with boring well logging) LWD in the test macro is in high temperature load for a long time and causes the application life can indefinite shortening or the defective of damage with boring electronic circuit.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of oil exploration is with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with the electronic circuit housing outward with boring, comprise the cooling unit housing, described cooling unit housing is arranged on described electronic circuit hull outside, forming the mezzanine space of sealing between described electronic circuit housing and the described cooling unit housing, is the ployalkylene glycol aqueous solution in the described mezzanine space.
The water-soluble solution that the wherein said ployalkylene glycol aqueous solution is made up of a kind of organic polymer and corrosion inhibitor of liquid state.Ployalkylene glycol is the copolymer of a kind of oxirane and expoxy propane, is called for short PAG.Can be filled in the mezzanine space according to the PAG aqueous solution of drill bit heat production situation preparation variable concentrations.
The beneficial effects of the utility model are: owing to be provided with the cooling unit housing in the electronic circuit hull outside; and form the interlayer of sealing between the two; and fill the ployalkylene glycol aqueous solution in the mezzanine space; because the outside of electronic circuit apparatus has been full of the ployalkylene glycol aqueous solution; can effectively cool off drill bit creeps into and gets out being under the hot environment that the heat protection equipment that produces need not be long-term and work; the cycle of scrapping also can prolong, and has improved the application life of equipment greatly.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described mezzanine space is annular.
Further, described cooling unit housing is aviation feature material.
Adopt the beneficial effect of above-mentioned further scheme to be: to adopt aviation feature material can further improve heat transfer efficiency.
Further, described aviation feature material is the extraordinary aluminium alloys of aviation or titanium alloy.
The utility model also provides a kind of oil exploration with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with the electronic circuit housing outward with boring, and described electronic circuit hull outside has certain thickness ployalkylene glycol film.
Adopt the electronic circuit housing of the heat of the PAG solution heat of cooling of diluting, the liquid organic polymer can form thin film in electronic circuit surface of shell deposition.And can partly control the cooling degree of metal by the thickness of regulating film.
By adjusting the concentration of its aqueous solution, also can in very large range adjust ployalkylene glycol film thickness and cooling capacity, to not corrosion of metal, and can also short-term play antirust effect.Owing to be provided with one deck PAG aqueous solution film, can improve the speed cooling of equipment.
Description of drawings
The cooling unit structural representation that Fig. 1 uses with brill LWD logging system for a kind of oil exploration of the utility model;
Fig. 2 is that Figure 1A is to view.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, electronic circuit housing, 2, the cooling unit housing, 3, mezzanine space.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not for limiting scope of the present utility model.
As shown in Figure 1 and Figure 2, a kind of oil exploration is with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with electronic circuit housing 1 outward with boring, comprise cooling unit housing 2, described cooling unit shell 2 bodies are aviation feature material, improve heat transfer efficiency.
Described cooling unit housing is arranged on described electronic circuit housing 1 outside, forms the mezzanine space 3 of sealing between described electronic circuit housing 1 and the described cooling unit housing 2, and described mezzanine space 3 is annular; Be the ployalkylene glycol aqueous solution in the described mezzanine space 3.
The water-soluble solution that the wherein said ployalkylene glycol aqueous solution is made up of a kind of organic polymer and corrosion inhibitor of liquid state.Ployalkylene glycol is the copolymer of a kind of oxirane and expoxy propane, is called for short PAG.Can be filled in the mezzanine space according to the PAG aqueous solution of drill bit heat production situation preparation variable concentrations.
Because the outside of electronic circuit apparatus has been full of the ployalkylene glycol aqueous solution; can effectively cool off drill bit creeps into and gets out being under the hot environment that the heat protection equipment that produces need not be long-term and work; the cycle of scrapping also can prolong, and has improved the application life of equipment greatly.
The utility model also provides a kind of oil exploration with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with the electronic circuit housing outward with boring, and described electronic circuit hull outside has certain thickness ployalkylene glycol film.The liquid organic polymer forms thin film in electronic circuit surface of shell deposition, and can partly control the cooling degree of metal by the thickness of regulating film.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. an oil exploration is with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with the electronic circuit housing outward with boring, it is characterized in that, comprise the cooling unit housing, described cooling unit housing is arranged on described electronic circuit hull outside, forming the mezzanine space of sealing between described electronic circuit housing and the described cooling unit housing, is the ployalkylene glycol aqueous solution in the described mezzanine space.
2. the cooling unit of using with brill LWD logging system according to the described a kind of oil exploration of claim 1 is characterized in that described mezzanine space is annular.
According to claim 1 or 2 described a kind of oil explorations with boring the cooling unit that the LWD logging system is used, it is characterized in that described cooling unit housing is aviation feature material.
4. the cooling unit of using with brill LWD logging system according to the described a kind of oil exploration of claim 3 is characterized in that, described aviation feature material is the extraordinary aluminium alloys of aviation or titanium alloy.
5. an oil exploration is with boring the cooling unit that the LWD logging system is used, described oil exploration is provided with LWD While drilling system electronic circuit in the LWD logging system and LWD While drilling system electronic circuit is provided with the electronic circuit housing outward with boring, it is characterized in that described electronic circuit hull outside has the ployalkylene glycol film.
6. the cooling unit of using with brill LWD logging system according to the described a kind of oil exploration of claim 5 is characterized in that described ployalkylene glycol film thickness is 0.1 millimeter to 5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054463 CN203189002U (en) | 2013-01-31 | 2013-01-31 | Oil exploration logging while drilling LWD system cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054463 CN203189002U (en) | 2013-01-31 | 2013-01-31 | Oil exploration logging while drilling LWD system cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189002U true CN203189002U (en) | 2013-09-11 |
Family
ID=49105868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320054463 Expired - Fee Related CN203189002U (en) | 2013-01-31 | 2013-01-31 | Oil exploration logging while drilling LWD system cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177517A1 (en) * | 2016-04-11 | 2017-10-19 | 中国科学院声学研究所 | X-ray fluorescence logging probe for deep well detection |
-
2013
- 2013-01-31 CN CN 201320054463 patent/CN203189002U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177517A1 (en) * | 2016-04-11 | 2017-10-19 | 中国科学院声学研究所 | X-ray fluorescence logging probe for deep well detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhao et al. | Performance evaluation of a highly inhibitive water-based drilling fluid for ultralow temperature wells | |
| CN104405368B (en) | Gas well at HTHP well-head pressure-measuring method for distinguishing adaptability | |
| CN203189002U (en) | Oil exploration logging while drilling LWD system cooling device | |
| CN105838344A (en) | High-temperature-resistance salt water drilling fluid for drilling shale | |
| CN103725270A (en) | Lubricating agent for drilling fluid and preparation method thereof | |
| Elkatatny et al. | Assessment of using copper nitrate for scavenging hydrogen sulfide while drilling sour horizontal wells | |
| Yong et al. | String mechanical model for complex-structure wells and dynamic 3D digital shaft | |
| Lixin et al. | Study and application of technology for preventing and controlling mud losses in Mahu Block | |
| Miguel et al. | Setting New Records for Drilling the World's Longest Horizontal Well in Basement | |
| Zhao et al. | Transdisciplinary Application of Functional Materials in Petroleum Engineering | |
| Liu et al. | Simulation and experimental research on flow field and temperature field of diamond impregnated drill bit | |
| Huang et al. | Optimization Design of Hydraulic Impactor for Oil and Gas Drilling | |
| CN102306215A (en) | Method for predicting surface washout topography of petroleum drilling tool | |
| Tian et al. | Characteristic analysis and experimental study of rotary impact screw drilling tool | |
| Wenlong et al. | Research and application of high-temperature drilling fluid for scientific core drilling project | |
| Siyuan et al. | The Development and application of high performance water base muds for HTHP wells in Yinggehai basin | |
| Dou et al. | Influence of Hardness on Casing Wear Resistance in Polysulfide Water Based Drilling Fluid | |
| CN203272444U (en) | Rubber bearing | |
| Singh et al. | An experimental investigation of the contribution of different carbonaceous nanomaterials to thermal conductance of thermal interface materials | |
| Zhou et al. | A prediction model of casing exterior wear during casing running | |
| Wang et al. | Research on All-Metal PC Pump Technology and Its Application in Heavy Oil Recovery | |
| CN203210112U (en) | Equipment for processing of steam turbine nozzle ring | |
| Abdo et al. | Improving Drill-String Extended Reach Efficiency in High-Temperature and High-Pressure Conditions: An Experimental Investigation | |
| Wang et al. | Y-ring’s mechanical behavior during sealing cap’s assembly process based on the pressure core sampling for seafloor drill | |
| Xi | High efficiency oil extraction equipment with ultra-long stroke and ultra-low speed and a kind of technology of exploiting double wells with one motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140131 |