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69 results about "Drilling waste" patented technology

Modifier for treating water-based drilling waste and preparation method thereof

The invention relates to the technical field of waste drilling fluid treatment, and discloses a modifier for treating water-based drilling waste and a preparation method thereof.The modifier is prepared from, by weight, 30-40 parts of potassium persulfate, 10-25 parts of ferric trichloride, 20-40 parts of quaternary ammonium cationic polymer and 10-20 parts of magnetized modified attapulgite clay. According to the modifier for treating the water-based drilling waste, through the synergistic effect of all the components, an oxidation-catalysis-flocculation-magnetic separation four-stage synergistic treatment process is formed, the problem that gel breaking is not thorough in the water-based drilling waste treatment process is solved, the content of metal ions in a liquid phase after solid-liquid separation is reduced, and the water-based drilling waste treatment effect is improved. The water distribution requirement of the drilling fluid can be met under the condition that the liquid phase does not need to be further treated, the treatment process is simplified, and the cost is reduced.
Owner:绿知源(北京)环保科技有限公司

Wall surface punching waste residue collecting equipment

The utility model discloses wall surface punching waste residue collecting equipment which comprises a bottom plate and a drilling machine, a position adjusting mechanism used for adjusting the height of the drilling machine is arranged on the upper surface of the bottom plate, and a transverse driving mechanism used for adjusting the transverse position of the drilling machine is arranged on the left side of the position adjusting mechanism. The drilling machine is arranged on the left side of the transverse driving mechanism, a waste residue collecting mechanism used for collecting wall surface punching waste residues is arranged on the left side of the drilling machine, and the waste residue collecting mechanism comprises a third cylinder, a second cylinder, a first cylinder and a U-shaped connecting frame which are sequentially arranged from left to right; connecting assemblies used for being connected with a drilling machine are arranged on the two transverse plates of the U-shaped connecting frame. According to the drilling device, waste residues generated during drilling can fall into the sliding box to be collected, and the waste residues cannot splash in the drilling process.
Owner:HENAN YIJIANGXIANG CONSTRUCTION TECHNOLOGY CO LTD

Well drilling waste component identification and flocculation state detection method based on hyperspectral imaging

The invention relates to the technical field of petroleum component detection, in particular to a drilling waste component identification and flocculation state detection method based on hyperspectral imaging. According to the method, firstly, data are acquired through the polarization hyperspectral imaging system, specular reflection noise can be effectively suppressed, and the detection precision is improved; secondly, a multi-task deep learning model is adopted to synchronously analyze components and flocculation states, so that efficient and accurate multi-parameter detection is realized; and finally, by outputting a detection result and recommending processing process parameters, a closed-loop solution is provided for practical application, and the intelligent level of drilling waste processing is remarkably improved.
Owner:HEFEI GENERAL MACHINERY RES INST +1

A modifier for treating water-based drilling waste and a method for preparing the same

The application relates to the technical field of waste drilling fluid treatment, and discloses a modifier for treating water-based drilling waste and a preparation method thereof; according to weight parts, the raw materials of the modifier include 30-40 parts of potassium persulfate, 10-25 parts of ferric chloride, 20-40 parts of quaternary ammonium cation polymer and 10-20 parts of magnetized modified attapulgite clay. The modifier for treating water-based drilling waste provided in the application solves the problem of incomplete gel breaking in the water-based drilling waste treatment process through synergistic action of various components, forms an oxidation-catalysis-flocculation-magnetic separation four-stage synergistic treatment process, reduces the metal ion content in the liquid phase after solid-liquid separation, makes the liquid phase meet the drilling fluid water preparation requirement without further treatment, simplifies the treatment process and reduces the cost.
Owner:绿知源(北京)环保科技有限公司

Water-based drilling waste solid-liquid separation device

The utility model relates to the field of water-based well drilling waste treatment, in particular to a water-based well drilling waste solid-liquid separation device which comprises a collection box, a separation barrel is obliquely and rotatably connected to the top of the collection box, a discharging plate is fixedly connected to the front end of the collection box, and the front end and the rear end of the top of the collection box are fixedly connected with a first supporting frame and a second supporting frame respectively. A circular ring is rotationally connected between each first supporting frame and the corresponding second supporting frame, the circular ring at the front end is rotationally connected with the front end of the separating cylinder, the circular ring at the rear end is rotationally connected with the feeding port, a hole cleaning mechanism is rotationally connected between the first supporting frame and the second supporting frame on the left side, and a driving mechanism is fixedly connected to the rear end of the collecting box. A collecting cavity is formed in the upper surface of the collecting box, placing blocks are fixedly connected to the front end and the rear end in the collecting cavity respectively, a subdivision mechanism is arranged at the tops of the placing blocks, the device can effectively prevent separation holes of the roller from being blocked by waste, and meanwhile, the solid-liquid separation effect of the roller on the waste is further improved.
Owner:SICHUAN HUAHENG ZHENGHE PETROCHEMICAL TECH CO LTD

Drilling waste cascade degradation treatment system and method based on electrochemical in-situ synthesis of H2O2

The invention belongs to the technical field of waste treatment, and relates to a well drilling waste cascade degradation treatment system and method based on electrochemical in-situ synthesis of H2O2. The drilling waste cascade degradation treatment method based on electrochemical in-situ synthesis of H2O2 comprises the following steps: adding an iron-based coagulant into drilling fluid waste slurry, and stirring to form a floccule system; h2O2 is produced in situ by adopting an electrochemical synthesis reactor, and a H2O2 solution is obtained; putting the H2O2 solution into the floccule system in batches, stirring for reaction, adding calcium oxide, and performing solid-liquid separation after the reaction is stopped to obtain a mud cake; and adding a microbial liquid to the mud cake, and reacting to obtain the drilling waste meeting the emission standard. According to the method, high-concentration H2O2 is synthesized in situ by utilizing an electrochemical technology, a two-stage physicochemical process is adopted, primary degradation of the polysulfonate drilling waste is realized through multifunctional gradient utilization of an iron-based coagulant, and finally, the waste is deeply degraded by combining a microbial degradation effect.
Owner:COSL CHEM TIANJIN +1

Water-based drilling waste conveying device

The utility model discloses a water-based well drilling waste conveying device which comprises a conveying box, a filter plate installed in the middle of the conveying box in an inserted mode, a fixing frame and a supporting plate, the fixing frame and the supporting plate are used for supporting, and a connecting mechanism used for driving the conveying box to move left and right in the middle of the fixing frame is arranged at the right end of the conveying box. Fixing mechanisms are arranged at the left end and the right end of the front side of the filter plate, the fixing mechanisms drive the filter plate and the conveying box to form a detachable structure, and the front end and the rear end of the conveying box are fixedly connected with movable blocks used for supporting. According to the water-based well drilling waste conveying device, filtered waste can be directly discharged and conveyed outwards through a discharging barrel, a filter plate and a conveying box can be very conveniently detached, an auxiliary block and the filtered waste are treated, the filter plate is prevented from being blocked by the waste in the long-term use process, and the water-based well drilling waste conveying device is convenient to use. And the whole structure is relatively simple, and the use cost is relatively low.
Owner:SHA YA RUI YUN HUAN JING KE JI YOU XIAN GONG SI

Drilling wastewater treatment equipment for crawler-type drilling machine

The utility model discloses crawler-type drilling machine drilling wastewater treatment equipment which comprises a frame body and a crawler machine arranged below the frame body, a mud-water separation box and a static grid plate settling box are arranged above the frame body, the mud-water separation box is connected with a vibration separation box through a first pneumatic diaphragm pump and a pipeline, and the vibration separation box is communicated with the static grid plate settling box. The other end of the static grid plate settling box is communicated with a precise backwashing filter, a sludge separation auger and a first sludge discharge auger are arranged in the sludge-water separation box, a vibrator and a filter screen are respectively arranged above and inside the vibration separation box, and an interlayer guide plate assembly and a second sludge discharge auger are arranged at the bottom of the static grid plate settling box; through the quadruple filtering function of the product, the technical problem of water resource waste caused by the fact that sewage cannot be recycled is solved, and the beneficial technical effects of solving water resource waste, reducing abrasion of the coal mine drilling machine, prolonging the service life of spare and accessory parts of the coal mine drilling machine and reducing the system failure rate are achieved.
Owner:LANGFANG JINGSHAYILV FILTER CO LTD

Water-based drilling waste reinjection treatment system

The utility model relates to the technical field of well drilling waste treatment, in particular to a water-based well drilling waste reinjection treatment system which comprises a waste collecting tank, a slurry mixing tank, a dispersing tank, a first vibrating screen, a circulating tank, a slurry preparing tank, a slurry storage tank and a reinjection pump set. The dispersing tank is also provided with a feeding hole; a fine particle outlet of the first vibrating screen is connected with a circulating tank, a coarse particle outlet of the first vibrating screen is connected with a grinding machine, a discharging port of the grinding machine is connected with the circulating tank, and the circulating tank is further connected with a feeding port of the first vibrating screen through a circulating pipe; and a liquid inlet is also formed in the slurry preparation tank. The treatment system has the advantages of high treatment efficiency, large treatment capacity, high injection efficiency, good safety and stability in the injection process and the like.
Owner:CHINA NAT PETROLEUM CORP +1

Drilling equipment capable of recycling sweeps

The utility model discloses drilling equipment capable of recycling sweeps, which belongs to the technical field of drilling and comprises a machine table. A guide rail conveyor is installed in the middle of the machine table, and a plurality of rotors distributed at equal intervals are arranged on the guide rail conveyor. A mounting assembly is fixedly mounted on a rotor of the guide rail conveyor; a punching mechanism is installed on the machine table and comprises a pressing assembly, a punching assembly and a positioning assembly, the first drilling station and the second drilling station are each provided with one pressing assembly and one punching assembly, and the output end of the punching assembly of the first drilling station is aligned with the first vacancy. The output end of the punching assembly of the second drilling station is aligned with the second hole site. The second drilling station is provided with a positioning assembly used for positioning the first vacancy. The pressing assembly, the first drilling station and the second drilling station are provided with waste recycling assemblies used for recycling drilling waste. Through the mode, the drilling precision is guaranteed, meanwhile, waste chips are prevented from splashing, and the waste chips are collected.
Owner:SUZHOU YUEHONG AUTO PARTS CO LTD

Chemical dosing device for drilling waste flushing fluid

This utility model discloses a chemical dosing device for drilling waste flushing fluid, including a support frame, a premixing component, a dispensing valve, a secondary mixing component, and a water supply component. The premixing component consists of a storage tank, a dispensing cylinder, and a rotating drum. A spiral drive plate on the outer wall of the rotating drum forms a spiral flow channel with the inner wall of the dispensing cylinder, and a stirring rod is installed on the inner wall of the rotating drum. The dispensing valve has three output ends, connecting the bottom port of the dispensing cylinder to three dispensing tanks. The secondary mixing component includes three independent dispensing tanks, each equipped with a stirring mechanism. The water supply component supplies water to the spiral flow channel through an inlet, driving the rotating drum to rotate. This utility model achieves premixing of the chemical powder by driving the rotating drum to rotate using water flow dynamics. Combined with the dispensing valve, the chemical solution is selectively distributed to multiple tanks, and then deeply mixed by the secondary stirring mechanism. This solves the problems of powder agglomeration, uneven mixing, high energy consumption, and inability to adapt to multiple working conditions in existing devices. Ultimately, it achieves efficient homogenization of the chemical solution, reduces energy consumption, and improves the flexibility of waste flushing fluid treatment.
Owner:BEIJING INST OF EXPLORATION ENG

Delayed gel, profile control agent and application thereof

The invention relates to the technical field of oilfield development engineering, and discloses delayed gel, a profile control agent and a preparation method of the profile control agent, and the delayed gel comprises the following components in percentage by mass: 10-40% of sulfonated tannin extract, 1.0-4.0% of urotropine, 1.0-4.0% of hydroquinone, 10-20% of silicate particles and the balance of water; the profile control agent is prepared from the following raw materials: drilling wastes, a consolidation agent and delayed gel, the drilling waste is composed of oil-based drilling cuttings and oilfield wastewater. The oilfield hazardous waste oil-based drilling cuttings are used as the main raw material of the profile control agent, so that the oilfield exploitation cost can be reduced, and harmless and resource utilization of the oil-based drilling cuttings can be realized; the filling layer is formed by utilizing the characteristics that the content of solid-phase particles in the oil-based drilling cuttings is high and the solid-phase particles with different size fractions exist, and the mixed liquid of the oil-based drilling cuttings and the oilfield wastewater stops flowing in a stratum dominant channel after the delayed gel is formed, so that plugging is realized.
Owner:中国石油大学(北京)克拉玛依校区

Purification treatment device and method for well drilling waste hydraulic filtrate

According to the purification treatment device and method for the well drilling waste hydraulic filtrate, in the device, an output shaft of a conveying motor is connected with an impeller to drive the impeller to convey the well drilling waste hydraulic filtrate to a first pipeline, and the well drilling waste hydraulic filtrate enters a stirring cavity through a second pipeline and forms a rotational flow state under operation of a stirring motor to achieve stirring treatment; and the purification cavity is formed in the other side, opposite to the stirring cavity, of the first pipeline in a communicating mode, the purification cavity comprises at least one filter plate, and the filter plate is transversely arranged in the purification cavity to filter the drilling waste hydraulic filtrate. According to the device, the purification treatment performance of the waste hydraulic filtrate is improved, and the recycling and up-to-standard emission of the drilling fluid are ensured.
Owner:CHINA NAT PETROLEUM CORP +1

A mineral processing method for efficiently recovering barite from thermally treated drilling waste

The present invention discloses a mineral processing method for efficiently recovering barite from heat-treated drilling waste, comprising the following steps: (1) wet-screening and classifying the drilling waste containing barite; (2) magnetically separating the undersize product to obtain a magnetic product and a non-magnetic product; (3) performing a roughing separation and a fine separation on the non-magnetic product to obtain a barite powder product 1; and (4) scavenging the roughing tailings three times, combining the scavenged concentrates, and then fine separation twice to obtain a barite powder product 2. The present invention adopts a mineral processing method to efficiently recover barite from heat-treated drilling waste, and obtains two barite powder products of different grades, both of which can be recycled as drilling fluid raw materials, thereby realizing resource utilization of waste and reducing environmental hazards.
Owner:CENT SOUTH UNIV

Well drilling waste liquid recycling treatment device under microbial synergistic effect

The invention discloses a drilling waste liquid recycling treatment device under a microbial synergistic effect, and relates to the field of wastewater treatment.The drilling waste liquid recycling treatment device comprises a treatment box, an ozone generator is installed at the bottom of the treatment box, a pretreatment layer is installed at the top of the treatment box, and a dispersion plate is connected to an air outlet part of the ozone generator; a plurality of air outlet pipes are arranged at the top of the dispersion plate, one end of each air outlet pipe is connected with the interior of the treatment box, the side wall of the treatment box is connected with a fixing box, the fixing box communicates with the treatment box, and a water pump is installed on one side of the fixing box. The waste liquid subjected to microbiological treatment is introduced into the treatment box, ozone is generated by the ozone generator, and the ozone reacts with organic pollutants contained in the waste liquid in the treatment box, so that the organic pollutants which are not subjected to microbiological treatment in the waste liquid are effectively removed.
Owner:CHINESE ACAD OF GEOLOGICAL SCI

Water-based drilling waste filtering device

The utility model relates to the field of waste treatment, in particular to a water-based drilling waste filtering device which comprises a bottom plate, a main plate fixedly connected to the surface of the bottom plate, a vibration mechanism fixedly connected to the surface of the main plate, a cleaning mechanism rotationally connected to one side of the surface of the main plate, and a filtering box fixedly connected to one side of the vibration mechanism. A water outlet pipe is fixedly connected to the bottom of one end of the filter box; a waste pipe is fixedly connected to the top of one end of the filter box; a liquid medicine pipe is fixedly connected to the top end of the filter box; a liquid medicine box is slidably connected to the surface of the liquid medicine pipe; the water-based well drilling waste filtering device has the advantages that sludge can be conveniently filtered by the water-based well drilling waste filtering device, the filter plates can be prevented from being blocked by the sludge, the water-based well drilling waste filtering device can vertically vibrate in filtering procedures, and accordingly the filtering efficiency can be improved.
Owner:SICHUAN HUAHENG ZHENGHE PETROCHEMICAL TECH CO LTD

LH-SBM environment-friendly high-performance synthetic base drilling fluid system recycling system and process

The application provides an LH-SBM environment-friendly high-performance synthetic base drilling fluid system recycling system and process, and belongs to the technical field of drilling fluids, and solves the problems of single use function, non-recyclability, difficult treatment, serious pollution and difficult discharge of drilling waste liquid and the like of the existing drilling fluid. The application comprises the following steps: mixing raw materials to form a synthetic base drilling fluid system; injecting the high-performance synthetic base drilling fluid system into a well for drilling work, and obtaining a synthetic base drilling mud; preliminarily separating the drilling mud to obtain drilling cuttings liquid and drilling cuttings, and recycling the drilling cuttings liquid into the drilling fluid system; sequentially preheating and heating treating the drilling cuttings to obtain tail gas and solid phase; cooling treating the solid phase to obtain clean soil; dust removing and purifying the tail gas, and then condensing and recycling the tail gas to obtain synthetic base base fluid and gas phase, and recycling and utilizing the synthetic base base fluid; purifying the gas phase through a sedimentation pool, and then obtaining direct discharge gas through a flare or activated carbon adsorption, and directly discharging the direct discharge gas into the atmosphere.
Owner:ANHUI LUHAI PETROLEUM AUX TECH

Oil stain separation optimization device for petroleum drilling waste liquid treatment

The utility model belongs to the technical field of separation, and relates to an oil stain separation optimization device for petroleum drilling waste liquid treatment, which comprises a separation pipe, a diversion trench is fixedly connected to the middle of the separation pipe, a separation groove is fixedly connected to the end part of the diversion trench, a plurality of groups of torsion springs are fixedly connected to the middle of the inner side of the separation groove, and baffle plates are hinged to the middle parts of the plurality of groups of torsion springs; a containing groove is formed in the middle of the separating groove, and a connecting assembly is arranged in the middle of the blocking piece. According to the utility model, waste liquid can be stored in the separation tank under the matching action of a plurality of groups of baffle plates, then the waste liquid can be precipitated in the separation tank, and after the precipitation is completed, the liquid on the upper layer of the middle part of the separation tank can be taken out from the middle part of the separation tank, and then the connecting components can be taken out from the middle parts of the baffle plates; and sediment can fall into the middle of the separation pipe through the flow guide groove, then solid-liquid separation can be conducted on waste liquid in the well drilling process, and waste of drilling fluid in the working process can be reduced.
Owner:TIANJIN DEV ZONE ANENG PETROLEUM TECH DEV SERVICE CO LTD

Well drilling waste separating device

The utility model discloses a well drilling waste separating device which comprises a mounting frame and a tank body, a top plate is arranged at the top of the mounting frame, the left side and the right side of the tank body are connected with the inner walls of the left side and the right side of the mounting frame through connecting blocks respectively, and a discharging pipe is arranged at the bottom of the tank body. The bottom of a first mounting plate is connected with the bottom of the inner wall of the tank body through a plurality of connecting rods distributed in an annular array, the device comprises a placing tank, the top of the first mounting plate is coaxially connected with the bottom of a second mounting plate through a rotating assembly, and the top of the second mounting plate is connected with the bottom of the placing tank through a connecting mechanism; the edge of the upper end face of the first mounting plate is connected with the edge of the bottom of the second mounting plate through a stabilizing assembly, and hanging lugs are arranged on the two sides of the edge of the upper end of the containing tank. According to the centrifugal tank, a worker can conveniently take out the centrifugal tank from the interior of the tank body, the labor intensity is reduced, and the working efficiency is improved.
Owner:HUBEI HUBEI NEW ENERGY CO LTD

A marine disposal apparatus for offshore drilling waste

The application provides a marine treatment device for offshore drilling waste, relates to the technical field of environmental protection equipment, and solves the technical problem that offshore drilling waste needs to be transported to land for treatment. The device comprises a water-based drilling waste treatment system, an oil-based drilling waste treatment system, a central control room, and a deck ship water-based drilling waste treatment system, an oil-based drilling waste treatment system and a central control room are arranged on the deck ship. The marine treatment device for offshore drilling waste provided by the application can complete the treatment of offshore drilling waste at sea, thereby solving the problem that offshore drilling waste can only be transported to land for treatment at present.
Owner:XIAN HUASHENG KUNTAI ENERGY & ENVIRONMENTAL PROTECTION TECH CO LTD +1

Drilling machine waste chip centralized collection structure and numerical control drilling machine

The invention relates to the technical field of drilling machines, and discloses a drilling machine waste chip centralized collection structure and a numerical control drilling machine. The upper end of a base is connected with a drilling assembly through a stand column, the upper end of the base is provided with a temporary storage barrel located under the drilling assembly, the upper end of the temporary storage barrel is provided with an air injection seat assembly, and the outer side of the upper end of the air injection seat assembly is provided with a protection barrel; an air injection assembly is arranged in the air injection base assembly, and a workbench assembly for driving the air injection assembly is arranged in the protection barrel. When the workbench assembly rotates, airflow generated by the air injection assembly is driven to be finally downwards sprayed to the surface of the rotary disc from the air outlet groove in the side edge of the protruding base, it is guaranteed that the airflow blows off mixed sweeps attached to the rotary disc and a workpiece with enough impact force, and the sweeps are prevented from being attached to and remaining on a cooling liquid; the centrifugal force generated by rotation of the turntable is matched with the airflow effect, so that scraps and a small amount of cooling liquid are thoroughly separated from the turntable, manual contact cleaning is not needed in the whole process, the labor cost is saved, and the safety risk of manual operation is avoided.
Owner:WUXI GUANGYIN METAL MASCH CO LTD

Oil and gas field drilling waste liquid treatment device

The invention discloses an oil and gas field well drilling waste liquid treatment device, and particularly relates to the technical field of waste water treatment, the oil and gas field well drilling waste liquid treatment device comprises an outer cylinder body and a first motor installed at the upper end of the outer cylinder body, and a rotational flow precipitation structure communicated with a water inlet pipe is arranged in the middle of an inner cavity of the outer cylinder body; a suspended matter collecting structure which sleeves the outer side of the rotational flow precipitation structure and is communicated with the inner cavity of the outer cylinder is arranged in the middle of the inner cavity of the outer cylinder, and a plurality of activated carbon filter layers are arranged on the inner wall of the outer cylinder and the outer wall of the suspended matter collecting structure together. The cyclone precipitation structure is matched with the scraping assembly and the suspended matter collecting structure, preliminary separation of particles is achieved through the precipitation barrel and the isolation plate, and impurity separation is enhanced by combining double cyclone of the cyclone driving shaft and the cross-shaped supporting rod with reverse sweeping; the coaxial reverser is matched with the motor I and the stirring blades to improve the negative-pressure deslagging efficiency; water level control and grease collection are achieved by means of the center cylinder and the floating plate, the oscillation piece assists the deposition cylinder to discharge slag, and the oil field waste liquid purification effect is comprehensively improved.
Owner:SHAANXI XINPENG PETROLEUM ENGINEERING CO LTD

Chemical dosing device and dosing method for drilling waste flushing fluid

The invention discloses a chemical dosing device and method for drilling waste flushing fluid. The chemical dosing device comprises a supporting frame, a premixing assembly, a liquid separation valve, a secondary mixing assembly and a water supply assembly. Wherein the premixing assembly is composed of a medicine storage box, a batching cylinder and a rotating cylinder, a spiral driving plate is arranged on the outer wall of the rotating cylinder and forms a spiral runner with the inner wall of the batching cylinder, and stirring rods are arranged on the inner wall of the rotating cylinder; the liquid separation valve is provided with three output ends which are communicated with the bottom port of the batching barrel and the three dispensing tanks; the secondary mixing assembly comprises three independent dispensing tanks, and a stirring mechanism is arranged in each dispensing tank; the water supply assembly supplies water to the spiral flow channel through the water inlet to drive the rotary drum to rotate. The rotary drum is driven by water flow power to rotate to achieve powder premixing, liquid medicine is selectively shunted to multiple tanks in cooperation with the liquid distribution valve, then deep mixing is conducted through the secondary stirring mechanism, and the problems that powder of an existing device is caked, mixing is uneven, energy consumption is high, and the existing device cannot adapt to multiple working conditions are solved. Finally, efficient homogenization of the liquid medicine is achieved, energy consumption is reduced, and the treatment flexibility of waste flushing fluid is improved.
Owner:BEIJING INST OF EXPLORATION ENG

Multi-stage slag removal device

The utility model relates to the field of slag removal, in particular to a multi-stage slag removal device. The multi-stage slag removal device comprises a sedimentation tank, a leakage receiving opening, a ball valve and a water outlet, the leakage receiving opening is fixedly connected to the right front side of the upper portion of the sedimentation tank, a plurality of slag removal plates are linearly and transversely distributed at intervals and fixedly connected to different positions in the sedimentation tank, and the ball valve is installed in the middle of the left side of the upper portion of the sedimentation tank. The water outlet is formed in the left end of the ball valve. By means of the multiple deslagging plates with different hole diameters from large to small, drilling waste discharged from a drilled hole can be filtered in a multi-stage mode in time, filtered mud and slag form sludge to be settled in the lower portion of the interior of the settling pond, the purpose of changing discharged muddy water into discharged clear water is achieved, and the drainage efficiency of a construction site is improved; and through the desilting assembly, centralized desilting can be achieved, the labor intensity of dredging of the drainage system and cleaning of the sedimentation tank is reduced, the fault rate of an external drainage pump is reduced, and the construction progress is greatly improved.
Owner:SHAANXI SHANMEI TONGCHUAN MINING CO LTD

Method and system for managing drilling waste

A process for managing drilling waste, including pyrolyzing at least a portion of the drilling waste in a pyrolysis reactor to produce a stream comprising solid carbon and a gaseous pyrolysis product stream; and using heat present in at least a portion of the gaseous pyrolysis product stream to form electrical energy using an organic Rankine cycle, increase a temperature of a stream through heat exchange, or a combination thereof.
Owner:BAKER HUGHES OILFIELD OPERATIONS LLC

A drain container and its usage method

PendingCN122078784AHas natural drainageEnergy saving and environmental protectionLarge containersStationary filtering element filtersThermodynamicsSeparation technology
This invention discloses a draining tank and its usage method, relating to the field of solid-liquid separation technology. It includes a tank body, a bottom draining plate, and an end draining plate. The tank body includes a bottom surface, side surfaces, an outer end surface, an inner end surface, an outer end surface baffle, and a liquid outlet. There is a gap between the bottom of the outer end surface and the bottom surface. The outer end surface baffle is sealed and fixed between the bottom of the outer end surface, the bottom surface, and the side surface. The distance from the top of the inner end surface to the top of the side surface is 1 / 3 to 1 / 2 of the side surface height. The distance between the bottom of the inner end surface and the bottom surface is less than 1 / 3 of the side surface height. The end draining plate is installed on the side closest to the outer end surface, and the bottom draining plate is installed between the inner end surface and the end draining plate. The liquid outlet is located below the inner end surface. This invention enables solid-liquid separation of drilling waste using natural ventilation and drainage, solving the technical problems of high production costs, easily broken rock cuttings, easily clogged filter plates, and small single-pass material processing capacity of existing solid-liquid separation equipment.
Owner:CHINA NAT PETROLEUM CORP +1

A device for treating petroleum drilling waste liquid

The application belongs to the technical field of drilling waste liquid treatment, and discloses a petroleum drilling waste liquid treatment device, which comprises a base fixed on the ground, a filter cylinder fixedly installed on the base, a first filter screen with a middle recess provided at the bottom end, a residue discharging assembly provided at one side of the first filter screen and used for discharging solid residues, a cleaning assembly provided on the first filter screen and used for accelerating filtration and cleaning residues, a treatment cylinder fixedly connected to the bottom end of the filter cylinder and in communication with the top end of the treatment cylinder, the residue discharging assembly in communication with the treatment cylinder, a stirring assembly provided in the treatment cylinder and in transmission connection with the cleaning assembly, an oil discharging assembly provided on the stirring assembly and used for discharging floating oil, a power assembly fixedly installed on the base and in transmission connection with the stirring assembly. The application has the advantages of compact structure, simple operation, convenient use, less demand for manpower, automatic treatment of petroleum drilling waste liquid, improved treatment efficiency, collection of floating oil, reduced environmental pollution and convenient recycling of floating oil.
Owner:XI'AN PETROLEUM UNIVERSITY

Oil-based drilling waste resource treatment method and application thereof

The application discloses an oil-based drilling cuttings resource processing method and application thereof, and relates to the field of oil-based drilling cuttings resource processing, and aims to realize closed-loop circulation and near-zero emission of oil-based drilling cuttings, and achieve the dual goals of harmlessness and resource utilization. The method comprises the following steps: (1) after heat desorption and pyrolysis of oil-based drilling cuttings by adopting electromagnetic + ball milling, mineral oil in the oil-based drilling cuttings is separated from solid phase in gaseous form, and oil-removed solid phase is obtained; the mineral oil gas is condensed and recovered; the non-condensable gas is used as fuel; (2) the oil-removed solid phase is ground to 200-300 meshes, and the proportion of 85% or more is obtained, then barite is extracted by adopting gravity separation + flotation, and tailings remaining after gravity separation and flotation are combined; (3) the tailings remaining after gravity separation and flotation are mixed with bauxite, and are ground to 300-400 meshes, and the proportion of 85% or more is obtained, then are mixed with solid NaOH, activated at a temperature of 550-650 DEG C for 2-3 h, added into a NaOH solution with a concentration of 5-15% after cooling to room temperature, stirred and mixed uniformly, and then added into a hydrothermal reaction kettle to carry out hydrothermal synthesis reaction, and X type molecular sieve is obtained.
Owner:CHINA NAT PETROLEUM CORP +1

Modified coal gasification slag-oil-based drilling cuttings synergistic flotation treatment method

PendingCN121266722AFlotationSlagFiltration
The invention discloses a modified coal gasification slag-oil-based drilling cutting synergistic flotation treatment method which comprises the following steps: 1) adding water into coal gasification slag, uniformly stirring, and screening to obtain oversize coal gasification slag; 2) mixing and stirring the oversize coal gasification slag and a modifier, and performing suction filtration and air drying to obtain modified coal gasification slag; and (3) the modified coal gasification slag and the oil-based drilling cuttings are mixed and stirred with water, collaborative flotation is conducted after ore grinding, and concentrate products and tailing products are collected. According to the method, fine-fraction high-ash mineral particles are removed through screening; and the coal gasification slag on the sieve is modified, soluble inorganic minerals in the coal gasification slag are etched, and pore structures between carbonaceous substances and between carbonaceous substances and mineral substances are changed, so that the ore grinding dissociation step is facilitated, and the flotation effect is improved. According to the method, the thought of treating waste with waste is utilized, the oil-based drilling waste liquid in the oil-based drilling cuttings is used for partially making up the flotation reagent, use of chemical reagents is reduced, meanwhile, synergistic harmless treatment of the two industrial wastes is achieved, and the method has high environment-friendly value.
Owner:CENT SOUTH UNIV

Geological drilling waste slurry treatment and water quality rapid detection device

The application provides a geological drilling waste slurry treatment and water quality rapid detection device, which comprises a base, a centrifuge body is installed on the base, and an online water quality detection module is arranged at the liquid outlet end of the centrifuge body; the online water quality detection module comprises a detection pool body, the detection pool body is arranged on the base, a sealing end cover is installed on the top of the detection pool body, at least two probe protective sleeves are fixed in the sealing end cover, and at least two water quality detection probes are respectively inserted into the corresponding probe protective sleeves, the application relates to the technical field of centrifuges for geological drilling waste slurry treatment, the online water quality detection module is arranged at the liquid outlet end of the centrifuge body, the water quality parameters of the separated clear liquid can be monitored in real time, including chroma, suspended solids, chemical oxygen demand, salinity and the like, and the operator can timely adjust the amount of treatment agent and the operation parameters of the centrifuge, such as rotating speed and separation time, according to the real-time monitoring data.
Owner:BEIJING INST OF EXPLORATION ENG