WO1989009091A1 - Procede et agencement de traitement de boue de forage recyclee dans le forage pour l'extraction de petrole ou de gaz - Google Patents

Procede et agencement de traitement de boue de forage recyclee dans le forage pour l'extraction de petrole ou de gaz Download PDF

Info

Publication number
WO1989009091A1
WO1989009091A1 PCT/NO1989/000025 NO8900025W WO8909091A1 WO 1989009091 A1 WO1989009091 A1 WO 1989009091A1 NO 8900025 W NO8900025 W NO 8900025W WO 8909091 A1 WO8909091 A1 WO 8909091A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
drilling
oil
chemicals
drill cuttings
Prior art date
Application number
PCT/NO1989/000025
Other languages
English (en)
Inventor
Steinar E. Mellgren
Original Assignee
Mellgren Steinar E
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mellgren Steinar E filed Critical Mellgren Steinar E
Publication of WO1989009091A1 publication Critical patent/WO1989009091A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065—Separating solids from drilling fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components

Definitions

  • Drilling mud coming up to a drill rig during drilling among other things contains drill cuttings in large amounts, and it is a problem to get rid of this waste which is strongly contaminated and it has been attempted to clean it in various ways.
  • a ther o-dynamic process has been tried, based on the grinding of drill cuttings in a mill with development of frictional heat which should bring contaminating oil to vapourise from the drill cuttings.
  • the present invention is directed to an improved and more complete form of treatment of re-circulated drilling mud during drilling for oil or gas, primarily for use with oil-based mud, alternatively with water-based mud, and comprising in addition to a de-gasser step and a vibration screen unit, also one or more steps for separating coarse, respectively finer drill cuttings from the mud.
  • the invention relates to a combination of process steps with the employment of treatment units or machines or apparatuses which individually per se are to a large extent previously known from various technical areas, but in particular from land-based mining industry.
  • the novel and specific combination of features in the process according to the invention, in the first place consists in a) Separation in a first step by employing a screw classifier having a closed tube around the screw and a supply of oil, alternatively water in counterflow against the conveying direction of the screw classifier, as well as an overflow for drilling mud from the tank of the screw classifier. b) Transfer of mud from the overflow to cyclone means having associated screen means for separating drill cutting particles from the mud, and c) de-watering in at least one vibration de-watering unit through which there is supplied superheated vapour and chemicals, preferrably in the form of a leaching solution and metasilicate, and which receives drill cuttings separated out in the screw classifier.
  • a borehole 1 and a return conduit 2 for drilling mud from the borehole contains the original drilling fluid and besides drill cuttings from the drilling process and possibly other more or less contaminating substances or particles.
  • the returned drilling mud is first passed through a de-gasser as shown at 3 in the drawing, and a usual vibration screen 6. From the screen the resulting coarse fraction as shown at 4 is conveyed to a first separating step in the form of a so-called screw - classifier 10 which is also a type of machine being known per se, for example as designed and built by the firm of Sala International AB, Sala, Sweden.
  • the screw classifier 10 as its main components has a rotatable screw 12 which is enclosed by an inclined tube 13 the lower end of which is emersed into a tank 11 which likewise can have sloping walls and bottom. There is shown a filling of drilling mud to a level 16 in the tank 11, whereby the level 16 is determined by an overflow 17 from the tank.
  • the screw 12 with the surrounding tube 13 during operation will have the function approximately like a screw conveyor which takes up and moves drill cuttings from the lower part of the tank 11 upwards to the left in the drawing, the coarse portion of the goods being thereby brought out of the tank 11. Simultaneously the liguid fraction of the tank contents will flow back through the tube 13 so as to be discharged from the tank 11 over the overflow 17 mentioned above.
  • Drilling fluid from the overflow 17 with its possible contents of fine particles will be pumped together with the fine fraction from the screen 6, through a conduit 9 to a drilling fluid cleaning step comprising a number of cyclones 20 and a screen device 22.
  • the coarse fractions from the cyclones and the screen are conveyed through a conduit 27 to a buffer tank 91 with following specific process steps for drill cuttings and particles, whereas the liquid fraction from the overflow of the cyclones 20 goes to a mud tank 100.
  • centrifuge 25 between the cyclone-screen device 20/22 and the mud tank 100 with the sampling unit 29, this centrifuge 25 providing the possibility for controlling the viscosity of drilling mud or fluid being re-circulated to the tank 100.
  • Return flow from the centrifuge 25 may be lead to the conduit 27 as also indicated in the drawing.
  • the generally coarse goods or drill cuttings being discharged by the screw 12 from the outlet at the top of the tube 13 in the particle separator, i.e. the screw classifier 10 (see fig. 2), at 7 is supplied to a first vibration de- watering unit 30 which serves to wash away the residue of drilling fluids, oil and small particles.
  • the liquid phase and the particles are conveyed to the buffer tank 91 which can be equipped with an agitator. Water and chemicals can be introduced into the tank as shown at 96.
  • the overflow material, i.e. the coarse particles and constituents from the vibration de-watering unit 30 then proceed to a washing and mixing unit 40 to be described more closely below.
  • these particles and constituents can be conveyed directly to a second vibration de-watering unit 50.
  • the vibration de-watering unit 30 (and 50) can be of the type which by means of vibration " effect conveys the goods from an input end of the unit towards a threshold at the output end of the unit, thereby causing a damming up and thus compression of the goods against the output end, whereby the liquid is squeezed out and can leave the unit, for example through slits ("overflows") in the side walls and the end walls at the input end.
  • the vibration de-watering unit 30 can for example be of a type being produced by the company IFE, Waidhofen/Ybbs, Austria.
  • a particular feature of the vibration de-watering unit 30 is that it is surrounded by a closed chamber 30A which serves to delimit a space being filled with superheated vapour supplied at 31 as shown. Also chemicals are supplied at 31.
  • a quite essential step in the treatment being illustrated in the drawing consists in a washing and mixing unit 40 which preferrably is in the form of a mill, through which drill cuttings and particles supplied at 33 from the vibration de-watering unit 30, are treated and ground.
  • This mill unit 40 has a double function?
  • a mill being suitable for the treatment step just mentioned may be of the type SRR being supplied by the above Swedish company.
  • a cyclone in association with the mill 40,.as indicated at 45, with recirculation of separated coarse particles to the mill for additional or repeated crushing.
  • the cyclone 45 is included in a closed circuit together with the mill 40.
  • the next main step in the treatment is a second vibration de-watering unit 50.
  • this may be of the same type as the vibration de-watering unit 30, with vapour and chemicals being introduced as shown at 52, preferrably together with water for additional washing of the particle mass and enhancing the emulsifying effect.
  • the vibration de-watering unit 50 thereby represents an additional separating step for particles and liquid, and if required can be directly series connected to the first vibration de-watering unit 30, and similar thereto can also be provided with a surrounding chamber 50A.
  • the overflow 55 from the vibration de-watering unit 50 gives a well-cleaned and pollution-free goods or drill cuttings which can be dumped right into the sea after sampling as shown at 69.
  • the liquid phase from the vibration de-watering unit 50 i.e. the emulsion of water and oil with fine particles, is directed to a filter 92, if required through a centrifuge.
  • the filter 92 is a very significant unit in the arrangement. Together with the emulsion from the vibration de-watering unit 50 the filter recieves a batch or volume controlled supply of the mixed contents of the buffer tank 91, which among other things makes it possible to incorporate stepwise or batchwise operating treatment stages in the cleaning process being otherwise in principle continuous. If the filter 92 is a press filter it works batch-wise, whereas a band filter will have a continuous function. Both these and various other, commonly known, filter types can be employed. Irrespective of the type of filter it is a substantial advantage according to the invention to arrange the filter 92 in a closed chamber 92A or an autoclave for treatment with super-heated vapour during the filtering.
  • An additionally enhanced effect of the filter step is obtained by also adding chemicals such as a leaching solution and metasilicate during filtering.
  • the supply of vapour and chemicals is illustrated at 94.
  • the filter band can consist of a textile-based filter screen, perforated rubber or the like.
  • the filter step 92 with vapour and chemical treatment in a closed chamber contributes substantially to the attainment of a high degree of cleaning. From the filter the particles and the solid substances can be dumped into the sea as shown, preferrably after the taking of samples in the sampling unit 69.
  • centrifuges each of which can advantageously be placed in a " closed chamber or an autoclave for treatment with superheated vapour during centrifugation.
  • This centrifugation as well as the filter 92 and other units of the arrangement, which according to this description are provided in a closed chamber for vapour treatment, can comprise sluice devices for feeding in and feeding out so that the vapour pressure in the chambers can be maintained substantially at the desired level.
  • the repeated treatment with vapour and chemicals in several of the cleaning steps is very advantageous to the total effect of the process, so that drill cuttings and other waste will be so well cleaned that it can safely be dumped for example in the sea, whereas valuable constituents of the used drilling fluid can be recirculated for re-use.
  • An essential feature of the treatment tank 70 is that there are added emulsion reversing chemicals as shown at 72. Accordingly the desired and useful emulsion through the preceeding treatment steps is broken up or dissolved, which results in the two phases oil and water.
  • essential or active constituents in the chemicals being added in the different units can comprise a leaching solution and metasilicates or similar substances, whereas the substance added at 72 in the treatment tank 70 in such case preferrably comprises sulphuric acid.
  • the mixture from the tank 70 is fed to a last treatment step in the form of a flotation tank 80 which also can have an agitation (not shown). More essential however is the provision of means for air injection at the bottom of the flotation tank 80, as schematically shown at 84, which is known per se from flotation methods for example in the mining industry.
  • a separation of drilling fluid or oil which collects at the top of the liquid filling in the tank and from there can be pumped up and subjected to sampling and then to be transferred to the above mentioned drilling fluid or mud tank 100 for recirculation and re-use.
  • collected oil or drilling fluid from the flotation tank 80 and besides from the cyclone-screen device 20/22 and the centrifuge 25 and other units can be fed to other tanks, for example for transportation onshore as indicated at 105 or to another storage tank as indicated at 110.
  • emulsion reversing chemicals can also be added to the flotation tank 80 at 82.
  • Clean water can be returned through a conduit 88 for possible sampling at 69 and dumping into the sea together with clean drill cutting particles.
  • fresh water constitutes a valuable resource. Collection and recirculation of clean water from the treatment described, in particular from the conduit 88, can be very advantageous.
  • a conduit (not shown) for feeding back recovered water for use in the mill 40.
  • FIG 1 there is shown a possibility of providing a magnet separator 90 for the case where the separated material from, inter alia, the screen device 22 contains valuable magnetic particles which advantageously can be recirculated, for example to the tank 100 as indicated.
  • the magnet separator 90 is also a type of apparatus or machine being known per se, and which should not need any further detailed description.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Hydroponics (AREA)
  • Filtration Of Liquid (AREA)

Abstract

On a mis au point un procédé de traitement de boue de forage pendant le forage pour l'extraction de pétrole ou de gaz, notamment au large et en premier lieu lors de l'utilisation de fluides de forage à base d'huile, notamment des fluides de forage à base d'eau. L'invention a pour but d'obtenir des débris de forage sans les problèmes d'environnement et/ou la récupération de constituants utiles du fluide de forage. L'invention comprend une étape de dégazage (3), une unité de criblage par vibration (6) et une ou plusieurs étapes (10, 20, 30, 50) de séparation de débris de forage grossiers ou plus fins respectivement provenant de la boue de forage. L'invention comprend notamment les étapes combinées de: a) séparation dans une première étape utilisant un classificateur à vis (10) comportant un tube fermé (13) entourant ladite vis (12) et une alimentation (15) d'huile, éventuellement de l'eau en contre-courant contre le sens de transport dans le classificateur à vis, ainsi qu'un trop-plein (17) pour boue de forage provenant du réservoir (11) du classificateur à vis, b) transfert de boue de forage à partir du trop-plein (17) jusqu'au cyclone (20) comportant un dispositif de criblage (22) séparant les particules de débris de forage de la boue de forage et c) usouttage dans au moins une unité (30) d'égouttage par vibration à laquelle on amène de la vapeur surchauffée et des produits chimiques de préférence sous forme de solution de lessive ainsi que du métasilicate, ladite unité recevant les débris de forage provenant du classificateur à vis (10).
PCT/NO1989/000025 1988-03-25 1989-03-20 Procede et agencement de traitement de boue de forage recyclee dans le forage pour l'extraction de petrole ou de gaz WO1989009091A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO881322 1988-03-25
NO881322A NO164219C (no) 1988-03-25 1988-03-25 Fremgangsmaate og anlegg for behandling av returnert boreslam.

Publications (1)

Publication Number Publication Date
WO1989009091A1 true WO1989009091A1 (fr) 1989-10-05

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Application Number Title Priority Date Filing Date
PCT/NO1989/000025 WO1989009091A1 (fr) 1988-03-25 1989-03-20 Procede et agencement de traitement de boue de forage recyclee dans le forage pour l'extraction de petrole ou de gaz

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Country Link
AU (1) AU3291689A (fr)
NO (1) NO164219C (fr)
WO (1) WO1989009091A1 (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6110367A (en) * 1997-11-27 2000-08-29 Mercur Subsea Products Asa Closed device for treatment of drilling fluids and cuttings
EP0936344A3 (fr) * 1998-02-17 2000-12-27 Tuboscope Vetco International, Inc. Système et méthode pour le traitement de fluide de forage ou de complétion
WO2001020121A1 (fr) * 1999-09-14 2001-03-22 Deep Vision Llc Procede et dispositif d'elimination des solides de forage pendant le forages de puits fores des champs petroliferes sous-marins
US6214236B1 (en) 1997-07-01 2001-04-10 Robert Scalliet Process for breaking an emulsion
WO2001045818A1 (fr) * 1999-12-22 2001-06-28 Robert Scalliet Procede de rupture d'une emulsion
GB2360308B (en) * 1998-10-23 2003-05-14 Baker Hughes Inc Treatments for cuttings from offshore rigs
US6602181B2 (en) 1998-10-23 2003-08-05 Baker Hughes Incorporated Treatments for drill cuttings
US6838485B1 (en) 1998-10-23 2005-01-04 Baker Hughes Incorporated Treatments for drill cuttings
WO2005023430A1 (fr) * 2003-09-09 2005-03-17 Specialised Petroleum Services Group Limited Nettoyage de solides residuels
WO2005119001A1 (fr) * 2004-06-04 2005-12-15 Swartout Matthew K Séparation des gaz dégagés des fluides de forage pendant une opération de forage
WO2007045925A1 (fr) * 2005-10-18 2007-04-26 National Oilwell Varco, L.P. Dispositif et procede de controle de la viscosite ou de la densite d'un fluide de forage
US7243741B2 (en) 2004-06-04 2007-07-17 Matt Swartout Separation of evolved gases from drilling fluids in a drilling operation
US7439209B2 (en) 1999-11-05 2008-10-21 Baker Hughes Incorporated Drilling fluid systems with improved fluid loss properties
US7540837B2 (en) 2005-10-18 2009-06-02 Varco I/P, Inc. Systems for centrifuge control in response to viscosity and density parameters of drilling fluids
WO2010059475A2 (fr) * 2008-11-24 2010-05-27 Arkansas Reclamation Company, Llc Procédé et installation pour traiter des boues de forage
US7913776B2 (en) 2007-05-07 2011-03-29 Nahmad David Gandhi Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds
US7935261B2 (en) 2008-11-24 2011-05-03 Arkansas Reclamation Company, Llc Process for treating waste drilling mud
WO2012100136A2 (fr) * 2011-01-21 2012-07-26 Mickler Joe D Appareil et procédé permettant de retirer et de récupérer le pétrole de solides
ITTO20110909A1 (it) * 2011-10-13 2013-04-14 Soilmec Spa Impianto di trattamento dei fanghi di perforazione.
EP2379240A4 (fr) * 2008-12-23 2015-08-12 Mi Llc Système de traitement des déchets
CN113685149A (zh) * 2021-08-24 2021-11-23 成都浩洪机械装备有限公司 一种粉料正负压联合输送的钻井液自动混浆加重系统
US11384272B2 (en) 2019-08-05 2022-07-12 Multi-Chem Group, Llc Processing produced fluids for fluid recovery
CN118065783A (zh) * 2024-04-18 2024-05-24 大庆市大展科技有限公司 一种水文地质工程地下河流钻探用泥浆池

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1359775A (en) * 1971-08-11 1974-07-10 Gulf Research Development Co Method and apparatus for treating drilling mud
WO1982001737A1 (fr) * 1980-11-21 1982-05-27 Moir James A Procede de traitement de boues ou de debris de forage contamines par le petrole avant leur reutilisation ou elimination
WO1985001884A1 (fr) * 1983-11-04 1985-05-09 Helmut Apfelbaum Installation de purification et de separation pour melanges d'huile et de matieres solides

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1359775A (en) * 1971-08-11 1974-07-10 Gulf Research Development Co Method and apparatus for treating drilling mud
WO1982001737A1 (fr) * 1980-11-21 1982-05-27 Moir James A Procede de traitement de boues ou de debris de forage contamines par le petrole avant leur reutilisation ou elimination
WO1985001884A1 (fr) * 1983-11-04 1985-05-09 Helmut Apfelbaum Installation de purification et de separation pour melanges d'huile et de matieres solides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DERWENT'S ABSTRACT NO. 01 965 J/47; & SU,A, 899 840. *

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6214236B1 (en) 1997-07-01 2001-04-10 Robert Scalliet Process for breaking an emulsion
US6110367A (en) * 1997-11-27 2000-08-29 Mercur Subsea Products Asa Closed device for treatment of drilling fluids and cuttings
EP0936344A3 (fr) * 1998-02-17 2000-12-27 Tuboscope Vetco International, Inc. Système et méthode pour le traitement de fluide de forage ou de complétion
GB2360308B (en) * 1998-10-23 2003-05-14 Baker Hughes Inc Treatments for cuttings from offshore rigs
US6602181B2 (en) 1998-10-23 2003-08-05 Baker Hughes Incorporated Treatments for drill cuttings
US6838485B1 (en) 1998-10-23 2005-01-04 Baker Hughes Incorporated Treatments for drill cuttings
WO2001020121A1 (fr) * 1999-09-14 2001-03-22 Deep Vision Llc Procede et dispositif d'elimination des solides de forage pendant le forages de puits fores des champs petroliferes sous-marins
GB2373525A (en) * 1999-09-14 2002-09-25 Deep Vision Llc Apparatus and method for the disposal of drilling solids during drilling of subsea oilfield wellbores
US6527054B1 (en) 1999-09-14 2003-03-04 Deep Vision Llc Apparatus and method for the disposition of drilling solids during drilling of subsea oilfield wellbores
GB2373525B (en) * 1999-09-14 2003-11-26 Deep Vision Llc Apparatus and method for the disposal of drilling solids during drilling of subsea oilfield wellbores
US7439209B2 (en) 1999-11-05 2008-10-21 Baker Hughes Incorporated Drilling fluid systems with improved fluid loss properties
WO2001045818A1 (fr) * 1999-12-22 2001-06-28 Robert Scalliet Procede de rupture d'une emulsion
AU2004269974B2 (en) * 2003-09-09 2010-08-12 Seimtec Limited Waste solid cleaning
GB2421502A (en) * 2003-09-09 2006-06-28 Specialised Petroleum Serv Ltd Waste solid cleaning
WO2005023430A1 (fr) * 2003-09-09 2005-03-17 Specialised Petroleum Services Group Limited Nettoyage de solides residuels
GB2421502B (en) * 2003-09-09 2007-09-26 Specialised Petroleum Serv Ltd Waste solid cleaning
US7575073B2 (en) 2004-06-04 2009-08-18 Swartout Matthew K Separation of evolved gases from drilling fluids in a drilling operation
US7243741B2 (en) 2004-06-04 2007-07-17 Matt Swartout Separation of evolved gases from drilling fluids in a drilling operation
WO2005119001A1 (fr) * 2004-06-04 2005-12-15 Swartout Matthew K Séparation des gaz dégagés des fluides de forage pendant une opération de forage
US7540838B2 (en) 2005-10-18 2009-06-02 Varco I/P, Inc. Centrifuge control in response to viscosity and density parameters of drilling fluid
US7540837B2 (en) 2005-10-18 2009-06-02 Varco I/P, Inc. Systems for centrifuge control in response to viscosity and density parameters of drilling fluids
WO2007045925A1 (fr) * 2005-10-18 2007-04-26 National Oilwell Varco, L.P. Dispositif et procede de controle de la viscosite ou de la densite d'un fluide de forage
NO343297B1 (no) * 2005-10-18 2019-01-21 Nat Oilwell Varco Lp Apparat og fremgangsmåte for styring av viskositeten av et borefluid
AU2006305652B2 (en) * 2005-10-18 2011-07-21 National Oilwell Varco, L.P Apparatus and method for controlling the viscosity or the density of a drilling fluid
US7913776B2 (en) 2007-05-07 2011-03-29 Nahmad David Gandhi Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds
WO2010059475A3 (fr) * 2008-11-24 2010-08-19 Arkansas Reclamation Company, Llc Procédé et installation pour traiter des boues de forage
US7935261B2 (en) 2008-11-24 2011-05-03 Arkansas Reclamation Company, Llc Process for treating waste drilling mud
US7867399B2 (en) 2008-11-24 2011-01-11 Arkansas Reclamation Company, Llc Method for treating waste drilling mud
WO2010059475A2 (fr) * 2008-11-24 2010-05-27 Arkansas Reclamation Company, Llc Procédé et installation pour traiter des boues de forage
EP2379240A4 (fr) * 2008-12-23 2015-08-12 Mi Llc Système de traitement des déchets
WO2012100136A3 (fr) * 2011-01-21 2012-11-15 Mickler Joe D Appareil et procédé permettant de retirer et de récupérer le pétrole de solides
US9095884B2 (en) 2011-01-21 2015-08-04 Joe D. Mickler Apparatus and method for removing and recovering oil from solids
US10041315B2 (en) 2011-01-21 2018-08-07 Joe D. Mickler Apparatus and method for removing and recovering oil from solids
WO2012100136A2 (fr) * 2011-01-21 2012-07-26 Mickler Joe D Appareil et procédé permettant de retirer et de récupérer le pétrole de solides
EP2581141A1 (fr) * 2011-10-13 2013-04-17 Soilmec S.p.A. Installation pour traiter des boues de forage
AU2012241065B2 (en) * 2011-10-13 2014-10-30 Soilmec S.P.A. Plant for treating drilling muds
ITTO20110909A1 (it) * 2011-10-13 2013-04-14 Soilmec Spa Impianto di trattamento dei fanghi di perforazione.
US9289805B2 (en) 2011-10-13 2016-03-22 Soilmec S.P.A. Plant for treating drilling muds
US11384272B2 (en) 2019-08-05 2022-07-12 Multi-Chem Group, Llc Processing produced fluids for fluid recovery
US11926785B2 (en) 2019-08-05 2024-03-12 Halliburton Energy Services, Inc. Processing produced fluids for fluid recovery
CN113685149A (zh) * 2021-08-24 2021-11-23 成都浩洪机械装备有限公司 一种粉料正负压联合输送的钻井液自动混浆加重系统
CN118065783A (zh) * 2024-04-18 2024-05-24 大庆市大展科技有限公司 一种水文地质工程地下河流钻探用泥浆池

Also Published As

Publication number Publication date
NO881322D0 (no) 1988-03-25
NO164219C (no) 1990-09-12
NO164219B (no) 1990-06-05
AU3291689A (en) 1989-10-16
NO881322L (no) 1989-09-26

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