105 results about "Oil reserves" patented technology

It relates to the after potential exploration of an oil filed, with the ability of analyzing the oil distribution, left resource quantity, and so on. It comprises the data inspection device, data preprocessing device, KH value separation device, oil well water absorption preprocessing device, water absorption section separation device, dynamic personnel analysis separation device, small layer weighting separation device, single sand separation result accumulation device, data base, water filling effect, strata HK, and weighting of the oil reserve weighting by the dynamic personnel, determining the strata output through the water absorption section, water content of the strata through well fluid section, with the whole process being computerized and accurate.

The invention relates to the visual gap level plane module oil field exploration using man made authentic acidite micro module, choosing air penetration rate bigger than 0.2-0.3 mum natural or artificial acidite core, using fluid abietyl to fill the acidite core, sticking epoxide resin on the clean flat glass, grinding the core into the particle with diameter one third of the acidite granite, using the other of the same size to the core, connecting fluid injection and extraction at both ends of the core. The made module can vividly express the penetration rate of the oil reserve rock, suitable for oil and water alternating substitution, representing the actual flow of fluids of the underground fluids, with visuality for dynamic saturation quantitative analysis.

Object The invention provides a supercharger which is provided with a thrust bearing in an outer side of a radial bearing, and can smoothly discharge a fed lubricating oil from a bearing portion so as to reduce a resistance generated by the lubricating oil.

Means to Solve the Problems The supercharger is provided with a thrust bearing (30) rotatably supporting a thrust force applied to a turbine shaft (12). The thrust bearing (30) is constituted by a disc-shaped thrust collar (32) rotating together with the turbine shaft, and a turbine side thrust bearing (34) and a compressor side thrust bearing (36) inhibiting a movement in an axial direction of the thrust collar. The compressor side thrust bearing (36) has an oil feed flow path (36a) feeding a lubricating oil to a surface coming into contact with a thrust collar from an inner side of a housing, an annular concave groove (36b) provided in an inner surface of a hollow through hole through which the turbine shaft passes, and an oil discharge flow path (36c) dropping down the lubricating oil reserved within the concave groove downward.

An oil cooling system of an air-cooled engine for cooling the oil reserved in a crankcase of the engine comprises a base plate assembled to the crankcase, an overlapping plate assembled to the base plate; an oil filter supported in the overlapping plate; and radiation fins formed on the base plate and the overlapping plate, wherein the base plate includes an inlet port for receiving the engine oil discharged from an oil pump of the engine, an outlet groove for outputting the engine oil and a first passage groove connecting the inlet port and the outlet groove, the overlapping plate includes an inlet groove opposed to the inlet port, an outlet port opposed to the outlet groove and a second passage groove opposed to the first passage groove to form an oil passage together with the first passage groove, and the base plate and the overlapping plate having through-holes where the filter outlet of the oil filter passes through for the connection with the crankcase.

A hydraulic control unit, has a power transmission system arranged on the line from the prime mover to the vehicle wheel; an oil reserving device for feeding the oil to the oil receiving device, which controls a power transmitting condition of the power transmission system based on oil feeding condition; an oil storing device for feeding the oil to the oil receiving devices, the characteristic of the hydraulic control unit is that, in which, the oil storing device comprises a piston where large diameter potion and small diameter potion are arranged coaxially and integrately; a first hydraulic chamber in which the large diameter potion are accommodated with liquid-tight and can move backwards and forwards; a second hydraulic chamber in which the small diameter potion are accommodated with liquid-tight and can move backwards and forwards; wher, the bearing area of the first bearing surface in the first hydraulic chamber which the large diameter potion faces towards is larger than the bearing area of the second bearing surface in the second hydraulic chamber which the small diameter potion faces towards; the characteristic of which is including an oil feed quantity control device for operating the piston by improving oil pressure in the second hydraulic chamber, feeding oil in the first hydraulic chamber to the oil receiving device.

The invention relates to the field of information technologies and automation and discloses a data acquisition and application snapshot method of a filling station. The method comprises the following steps of performing second-level sampling on oil tank information and storing into an oil tank information base and a real-time information base, performing second-level real-time oil outlet information on an oil gun, and storing into an oil gun information base and the real-time information base, acquiring oil gun transaction information and storing into a transaction information base, a transaction snapshot information base and the real-time information base, acquiring oil gun and oil tank information at regular time and storing in a history snapshot information base, judging whether an alarm condition is met, judging whether oil tank stock reaches an oil discharge standard, calculating whether a variation of oil reserve of the oil tank meets a condition, and extracting data from the oil tank information base, the transaction information base and the transaction snapshot information base for loss calculation. The method can simplify business operation, improves working efficiency, monitors and eliminates potential safety hazards in real time, provides a high-efficiency oil discharge mechanism, automatically applies delivery, performs oil discharge statistics, and greatly reduces the data size of transmission and storage.

The invention discloses a strategic petroleum reserve tank steel plate based on oxide metallurgy and a manufacturing method of the strategic petroleum reserve tank steel plate. The yield strength of the steel plate is large than or equal to 490 MPa, the tensile strength is 610-730 MPa, and the yield ratio is smaller than or equal to 0.90. The manufacturing method comprises the steps that a continuous casting billet is manufactured, heated for heat preservation, roughly rolled, finely rolled, directly quenched and cooled at the speed being larger than or equal to 50 DEG C/s, heated, tempered and subjected to air cooling. The steel plate is also applicable to manufacturing of large strategic petroleum reserve tanks with the volume being 100000 m<3>, 150000 m<3> or more; when the steel plateis subjected to large heat input welding when heat input is large than 200 KJ/cm, after welding, the welding heat affected zone -20 DEG C impact energy is not lower than 80 J; a two-face two-pass X-type welding way which sets limitations for 25-60 mm steel plates in existing petroleum reserve tank construction is expected to be changed into single-face single-pass V-type welding, welding labor hours can be reduced by one half almost, the petroleum reserve tank construction speed is remarkably improved, the strategic petroleum reserve tank building cost is greatly reduced, and the application and popularization prospect is quite good.

The present invention relates to a value-based evaluation method of oil and gas proved reserves. The present invention adopts a technical proposal that the calculation method for valuation of the oil and gas reserves is using a computer to set the reserves acquisition cost of a purchaser as a reserves asset value and as cash to flow out, and calculating and distilling depreciation as fixed assets, setting the internal return rate of the purchaser as a basic return rate, reversely calculating to obtain the reserves acquisition cost which is taken as the value of the reserves. The evaluation method has the advantages in the following four aspects: 1. the exploration benefit of different oil reserves can be analyzed according to the evaluation of the proved reserves of each area so as to provide guidance for succeeding exploration works; 2. reserves with economic benefit is selected out and invested in development with clear target in time according to the changes of global oil price, tax policy and supply and demand relationship by evaluating the value of undeveloped proved reserves, thereby providing scientific basis for the decisions of companies.

The invention relates to a single satellite image-based maximum oil reserve extraction system. The system comprises a satellite remote sensing image browsing module, an image subarea segmentation module, an automatic boundary point capture module, an oil tank shadow height measurement module and an oil reserve calculation module, wherein the satellite remote sensing image browsing module is used for obtaining man-machine interaction information during satellite remote sensing image operation; the image subarea segmentation module is used for extracting a contour edge of an oil tank target so as to facilitate the selection of a key point; the automatic boundary point capture module is used for auxiliary selection of a key point on an arc edge; and the oil tank shadow height measurement module is used for calculating the height of the oil tank on the basis of oil tank shadow information. According to the system, accurate oil tank height extraction can be carried out on the basis of a single satellite image, so that the calculation errors caused by determining same-name arc points via an artificial manner are effectively avoided, and the oil tank height extraction speed is greatly improved.

The present invention is to provide a lubricant structure of an engine capable of easily and compactly attaching and detaching primary oil filters connected to oil intake sides of two oil pumps to and from a crank case. A power transmission chamber in the crank case dually divided in a crankshaft direction is an oil reserving portion. A first oil pump for pressure-feeding oil of the oil reserving portion to a lubricant point, a second oil pump for returning the oil returned to the crank chamber to the oil reserving portion, and first and second oil filters connected to the oil intake sides of the oil pumps are provided. The first oil filter is inserted from one of left and right crank case members, the second oil filter is inserted from the other crank case member, and both the oil filters are closed by oil filter caps.

A blowby gas circulation system for an engine having a crankcase and an intake system includes an oil tank which is independent of the crankcase, a first breather chamber and second breather chamber which are integrally provided with the crankcase. The oil tank supplies engine oil reserved therein to the crankcase and introduces a first gas-liquid mixture generated in the crankcase. The first gas-liquid mixture is separated into a second gas-liquid mixture and engine oil in the oil tank. Then, the second gas-liquid mixture is sent to a first breather chamber, being separated into a third gas-liquid mixture and engine oil. The third gas-liquid mixture is sent to a second breather chamber in which the third gas-liquid mixture is separated into blowby gas and engine oil. The blowby gas is sucked into the intake system and the engine oil is returned to the crankcase.

The invention provides a remaining oil distribution rule quantitative analysis method. The remaining oil distribution rule quantitative analysis method comprises the steps that 1, a value simulation model is built up, production history matching is conducted, and the model is solved; 2, result data is extracted, and statistics of index parameters are made; 3, a frequency distribution map of the remaining oil saturation and construction, permeability, oil layer thickness and pressure is drawn and analyzed; 4, a frequency distribution map and a cumulative frequency distribution map of the remaining oil reserve abundance and construction, permeability, oil layer thickness and pressure are drawn; 5, a frequency distribution map and an cumulative frequency distribution map of recoverable reserve abundance and construction, permeability, oil layer thickness and pressure are drawn; and 6, a result is obtained after comprehensive analysis is conducted. The remaining oil distribution rule quantitative analysis method is high in practicality, a remaining oil distribution mode and characteristics of an oil field are analyzed, and evidences are provided for follow-up digging and production increasing.

The invention discloses an oil-reserving device for lubricating oil, which contains oil-injecting structure, which outputs lubricating oil to the oil-reserving space; the elastic body is set in the oil-reserving space, which can squeeze the lubricating oil to the space automatically.

The present invention relates to a water engine machine capable of extensively and fully utilizing natural water flow energy source. Its technical scheme is characterized by that a light high-sensitivity hydraulic turbine is mounted on the floating table or seat table, said whole machine can be floated or fixed in the water toward water flow, then the hydraulic turbine can be rotated so as to obtain the low-cost green energy source.

The invention discloses a method and device for intelligently extracting the inventory of an oil storage tank based on a remote sensing image, and belongs to the field of remote sensing image recognition. The method is characterized by comprising the steps of recognizingan oil tank included in the to-be-processed remote sensing image; segmenting the remote sensing image to be processed into a plurality of image blocks; cutting shadow features of the oil tank from the oil tank included in each image block to obtain an enhanced image; filtering the enhanced image through a preset threshold value; performing morphological processing on the filtered enhanced image, and extracting a shadow area of the oil tank; calculating the oil storage quantity of the oil tank according to the shadow area of the oil tank and marking the oil storage quantity by using a bounding box; and combining all the image blocks into a complete image with an oil reserve bounding box. The method takes the segmented image blocks as objects, not only can guarantee the prediction accuracy and meet application requirements, but also can improve the detection efficiency of large-scale image target detection, and has important practical significance for detecting mass remote sensing data in a short time.

An oil-reserving piston ring includes an upper wedge ring (100a,200a) and a lower wedge ring (100b,200b) jointed with each other. The upper wedge ring (100a,200a) and the lower wedge ring (100b,200b) are each arranged with an opening, the upper wedge ring (100a,200a) has a first working surface (101,201) contacting with the wall of a cylinder, the lower wedge ring (100b,200b) has a second working surface (102,202) contacting with the wall of the cylinder, and at least one of the first working surface (101,201) and the second working surface (102,202) is arranged with at least one oil-reserving groove (105,106,205,206). Also provided is a piston (600) with only one piston ring slot which is used for arranging the oil-reserving piston ring. The oil-reserving piston ring has a good lubricating property and seal, and is high in reliability.

The invention discloses an online multi-object crude oil blending optimization method. The method comprises the steps of: firstly, performing blending task parameter initialization; secondly, settingan optimization period and a target function, and setting the upper limit and the lower limit of each attribute index of blended crude oil, the oil reserve of each component, the maximum flow of eachrefining line component coil and the unit quality cost of each component oil; then, according to the predetermined optimization period, obtaining each blending component and tank bottom oil attributedata, and updating a tank bottom oil gauge, the component oil reserve and the blending remaining time of the batch; and finally, solving the optimal formula of each blending component in the current optimization period, and sending to a blending control system to execute.