• glycol schlumberger oilfield glossary

    glycol Schlumberger Oilfield Glossary

    A series of alcohols with general formula C 2n H 4n+2 O n+1.The simplest member is ethylene glycol C 2 H 6 O 2, widely used as antifreeze.Glycols may be used in drilling fluids as gas hydrate inhibitors.

  • water-based glycol drilling muds: shale inhibition

    Water-Based Glycol Drilling Muds: Shale Inhibition

    Glycol Chemistry . The term glycol is used quite loosely in the context of drilling fluid additives. Glycols can in fact vary from the simple dihydric alcohols (eg, ethylene glycol) to complex polymeric systems, such as random polymers containing polyethylene or polypropylene oxides. Bland has given an account of glycol additives, discussing

  • polyethylene glycol drilling fluid for drilling

    Polyethylene Glycol Drilling Fluid for Drilling

    According to the laboratory research and practical drilling operations, drilling fluid containing 10% polyethylene glycol and 20% NaCl has a relatively comprehensive performance [28,29], so the designed formula for our polyethylene-glycol drilling fluid for marine gas-hydrates drilling is artificial seawater, 3% sodium bentonite, 1% LV-PAC, 4%

  • (pdf) polyethylene glycol drilling fluid for drilling

    (PDF) Polyethylene Glycol Drilling Fluid for Drilling

    Polyethylene Glycol Drilling Fluid for Drilling in Marine Gas Hydrates-Bearing Sediments: An Experimental Study Article (PDF Available) in Energies 4(12) · December 2011 with 681 Reads

  • polyethylene glycol drilling fluid for drilling in marine

    Polyethylene Glycol Drilling Fluid for Drilling in Marine

    to the laboratory research and practical drilling operations, drilling fluid containing 10% polyethylene glycol and 20% NaCl has a relatively comprehensive performance [28,29], so the designed formula for our polyethylene-glycol drilling fluid for marine gas-hydrates drilling is artificial seawater, 3% sodium

  • polyethylene glycol drilling fluid for drilling in marine

    Polyethylene Glycol Drilling Fluid for Drilling in Marine

    Shale inhibition, low-temperature performance, the ability to prevent calcium and magnesium-ion pollution, and hydrate inhibition of polyethylene glycol drilling fluid were each tested with conventional drilling-fluid test equipment and an experimental gas-hydrate integrated simulation system developed by our laboratory. The results of these tests show that drilling fluid with a formulation of

  • embark shale inhibitors a4 dow chemical company

    EMBARK Shale Inhibitors A4 Dow Chemical Company

    active inhibitors in drilling fluids. These glycol-based shale inhibitors increase osmotic membrane efficiency and slow perfusion of water into clays and shales. In many cases, when drilling close to the frac gradient, fully formulated water-based muds containing Dow shale inhibitors have been shown to resist induced fracturing and provide shale stability and penetration rate normally expected

  • glycol based drilling fluid m-i llc

    Glycol based drilling fluid M-I LLC

    2001-09-18· Glycol-based drilling fluids have been developed in which the base fluid consists of water-soluble glycol(s) or a mixture of same with up to 30% fresh or saline water. These glycol-based drilling fluids exhibit better lubricity than water-based muds and lower environmental impact than oil

  • effect of molecular weight of polyethylene glycol (peg), a

    Effect of molecular weight of polyethylene glycol (PEG), a

    Zhang et al. (2006) provided a study on the development of hydrate inhibitive drilling fluid systems using polyethylene glycol as a hydrate inhibitor, which is very limited in scope. Zhang et al. (2006) have demonstrated the possible use of PEG as an additive for gas hydrate drilling fluids. They used PEG with a molecular weight of 10 000

  • experimental research of gas hydrate drilling fluids using

    Experimental Research of Gas Hydrate Drilling Fluids Using

    Zhang et al. (2006) provided a study on the development of hydrate inhibitive drilling fluid systems using polyethylene glycol as a hydrate inhibitor, which is very limited in scope.

  • cloud point glycol schlumberger oilfield glossary

    cloud point glycol Schlumberger Oilfield Glossary

    [Drilling Fluids] A glycol that is soluble at low temperatures but starts to form micelles (molecular agglomerates), thus becoming cloudy, as the temperature is raised. The temperature at which this phenomenon occurs the cloud point is affected by salinity, being generally lower in more saline fluids.

  • drilling and completion fluids supplier and distributor

    Drilling and Completion Fluids supplier and distributor

    Completion fluids and drilling muds also need pH control which is why Parchem offers highly competitive pricing on chemicals like hydrochloric acid and caustic soda. Parchem is a leading supplier of drilling and completion fluid chemicals to the natural gas and crude oil markets. If you have a need for cost effective and high-quality drilling

  • us4172800a drilling fluids containing an admixture

    US4172800A Drilling fluids containing an admixture

    Aqueous drilling fluids containing an admixture of a polyethoxylated sulfurized fatty acid and polyalkylene glycol. Such fluids are especially useful where reduced torque drilling fluids are needed. Another embodiment of this invention relates to a method of drilling utilizing the above-described fluids.

  • polyethylene glycol drilling fluid for drilling in core

    Polyethylene Glycol Drilling Fluid for Drilling in CORE

    Abstract. Shale inhibition, low-temperature performance, the ability to prevent calcium and magnesium-ion pollution, and hydrate inhibition of polyethylene glycol drilling fluid were each tested with conventional drilling-fluid test equipment and an experimental gas-hydrate integrated simulation system developed by our laboratory.

  • us3525688a drilling fluids google patents

    US3525688A Drilling fluids Google Patents

    US3525688A US3525688DA US3525688A US 3525688 A US3525688 A US 3525688A US 3525688D A US3525688D A US 3525688DA US 3525688 A US3525688 A US 3525688A Authority US United States Prior art keywords drilling mud water fluid viscosity Prior art date 1967-05-08 Legal status (The legal status is an assumption and is not a legal conclusion.

  • drilling fluids phillips petroleum company

    Drilling fluids Phillips Petroleum Company

    1984-01-10· In accordance with a further aspect, this invention relates to an additive package comprising polyethylene glycol and selected polymeric viscosifiers to significantly reduce water loss in drilling fluids. In the drilling of wells by the rotary method, a drilling fluid is used which generally consists of an aqueous clay suspension often

  • water based drilling fluids additives oleon

    Water Based Drilling Fluids Additives OLEON

    Water Based Drilling Fluids Additives The rising concern about the negative impact on the environment by offshore drilling operations initiated the development of new environmental friendly products in the 1980’s. Our range of water based drilling chemicals is specially designed to meet this new stringent requirement where the products are derived from natural and renewable

  • embark shale inhibitors a4 dow chemical company

    EMBARK Shale Inhibitors A4 Dow Chemical Company

    active inhibitors in drilling fluids. These glycol-based shale inhibitors increase osmotic membrane efficiency and slow perfusion of water into clays and shales. In many cases, when drilling close to the frac gradient, fully formulated water-based muds containing Dow shale inhibitors have been shown to resist induced fracturing and provide shale stability and penetration rate normally expected

  • dai qiushi, xu zijian, pan yi* ijoart

    Dai Qiushi, Xu Zijian, Pan Yi* IJOART

    the polyethylene glycol drilling fluid at one time, its degrada-tion rate can reach 100% in 30 days. its ability of degradation Is obvious than Organic salt drilling fluid, we can see its x- e tensive Promising applications, now in our country, Bohai Oilfield has started to use polyethylene glycol drilling fluid,

  • evaluation of polyacrylamide-grafted-polyethylene glycol

    Evaluation of polyacrylamide-grafted-polyethylene glycol

    This research work discusses the feasibility of polyacrylamide-grafted-polyethylene glycol/SiO 2 nanocomposite as a potential additive for the drilling of troublesome shale formations which may lead to severe wellbore instability problems. The free radical polymerization technique was adopted for the synthesis of the nanocomposite and it was characterized by Fourier transform infrared

  • wettability alteration of carbonate rock by nonionic

    Wettability alteration of carbonate rock by nonionic

    Regarding the importance of the wettability in reservoir productivity, this article is aimed to study the effect of nonionic surfactants polyethylene glycol (PEG) in the presence of acrylamide hydrolysis (PHPA) in water-based drilling fluids. For the measurement of wettability alterations, measurements of contact angle as a quantitative method

  • product list: drilling specialty chemicals

    Product List: Drilling Specialty Chemicals

    Product List: Drilling Specialty Chemicals OIL DRILLING FLUIDS LIST. Our product range covers drilling fluids for Oil and Gas Wells, Mud Chemicals, Workover and Completion Fluids, Production Chemicals, Well Stimulation Chemicals and General Utility Chemicals. Shale Stabilizers Sodium Sulphonated Asphalt /Sodium Asphalt Sulfonate

  • performax baker hughes

    PERFORMAX Baker Hughes

    The PERFORMAX™ system from Baker Hughes is a patented (US Patent 6,703,351) high-performance water-based mud designed to close the significant drilling performance gap between conventional water-base and emulsion-base drilling fluids without sacrificing environmental compliance. The oil and gas industry is drilling more difficult wells — in

  • oilgas lvlomas

    OilGas lvlomas

    supplement viscosity in water base drilling fluids Drilling Polyethylene Glycol Esters Mapeg Primary and secondary emulsifiers with stability over a wide range of formulating conditions Drilling Polymer Slurry RHEOLOGY Modifier XC Vis 5/10/20 Effective xanthan polymer slurry for use in either oil and gas drilling

  • improving hpht stability of water based drilling fluids

    Improving HPHT Stability of Water Based Drilling Fluids

    Abstract A new method is discussed to improve the HPHT stability of conventional rheology modifiers and fluid loss polymers used in water-based drilling fluids. The method exploits the interactions of polysaccharides (e.g. xanthan gum, scleroglucan)

  • polyethylene glycol drilling fluid for drilling in marine

    Polyethylene Glycol Drilling Fluid for Drilling in Marine

    Downloadable! Shale inhibition, low-temperature performance, the ability to prevent calcium and magnesium-ion pollution, and hydrate inhibition of polyethylene glycol drilling fluid were each tested with conventional drilling-fluid test equipment and an experimental gas-hydrate integrated simulation system developed by our laboratory. The results of these tests show that drilling fluid with a

  • glycols shrieve

    Glycols Shrieve

    DRILL-COL 240. A blend of alkyl polyoxyalkylene glycol and glycols that functions as an effective shale inhibitor for water-based muds. It is specially designed for water-based drilling fluids with a sodium chloride (NaCl) or potassium chloride (KCl) content around 10%

  • ethylene glycol as gas hydrate stabilising substance

    Ethylene Glycol as Gas Hydrate Stabilising Substance

    To prevent gas hydrate formation, thermodynamic inhibitors, like salt, glycols or methanol are used. Also, kinetic inhibitors are added to the drilling fluid to prevent gas hydrate agglomeration and formation for a period of time. Well known kinetic inhibitors are polyvinylpyrrolidone (PVP), polyethylene glycol (PEG) and polyvinylcaprolactam

  • drilling & completion oleon

    Drilling & Completion OLEON

    Over the years, Oleon developed a large range of products for inverted oil based muds and also drilling fluid additives for both Water based and Oil based mud systems. Please contact our sales office for more product information.

  • polyethylene glycol fda prescribing information, side

    Polyethylene Glycol FDA prescribing information, side

    2018-11-01· Polyethylene Glycol 3350, USP Powder for Oral Solution should be administered after being dissolved in approximately 4-8 ounces of water, juice, soda, coffee, or tea. Information for Patients: Polyethylene Glycol 3350, USP Powder for Oral Solution softens the stool and increases the frequency of bowel movements by retaining water in the stool

  • calcium chloride for oil & gas drilling caustic soda

    Calcium Chloride for Oil & Gas Drilling Caustic Soda

    2017-12-01· Calcium Chloride for Drilling Mud: Calcium Chloride is used in drilling mud to cool and lubricate the bit and to remove cuttings from the hole. Calcium Chloride helps add density to the mud to overcome formation pressures and keep oil, gas, and water in place.

  • energies free full-text polyethylene glycol drilling

    Energies Free Full-Text Polyethylene Glycol Drilling

    Information. Our dedicated information section provides allows you to learn more about MDPI. Get Information

  • us patent for friction modifier for drilling fluids patent

    US Patent for Friction modifier for drilling fluids Patent

    2009-12-16· EXAMPLE 5 Glycol Based Drilling Fluids. Glycol-based drilling fluids represent a class of water based drilling fluids that provide shale inhibition. A glycol based drilling fluid was formulated with 8% v/v polyethylene glycol (PEG 300), polymers, water and simulated drill solids. Lubricity testing was done on ZDDP by itself as well as lubricant

  • glycols shrieve

    Glycols Shrieve

    DRILL-COL 240. A blend of alkyl polyoxyalkylene glycol and glycols that functions as an effective shale inhibitor for water-based muds. It is specially designed for water-based drilling fluids with a sodium chloride (NaCl) or potassium chloride (KCl) content around 10%

  • dai qiushi, xu zijian, pan yi* ijoart

    Dai Qiushi, Xu Zijian, Pan Yi* IJOART

    the polyethylene glycol drilling fluid at one time, its degrada-tion rate can reach 100% in 30 days. its ability of degradation Is obvious than Organic salt drilling fluid, we can see its x- e tensive Promising applications, now in our country, Bohai Oilfield has started to use polyethylene glycol drilling fluid,

  • safety data sheet cut cool cutting/drilling oil 400ml

    Safety Data Sheet CUT COOL CUTTING/DRILLING OIL 400ml

    CUT COOL CUTTING/DRILLING OIL 400ml Version 6.0 Revision Date 02/16/2015 Print Date 02/19/2015 4 / 16 media Specific hazards during firefighting : Do not use a solid water stream as it may scatter and spread fire. Exposure to decomposition products may be a hazard to health. Special protective equipment for firefighters

  • petroleum and coal

    Petroleum and Coal

    drilling fluids rheology. Among the non-ionic polymers used in the drilling of oil and gas wells, hydroxyethyl cellulose (HEC), is used primarily for viscosity and fluid-loss-control in drilling and completion fluids [12-13] and polyethylene glycol (PEG), which has good performance con-cerning shale and gas-hydrate inhibition [14-15]

  • defoamer

    Defoamer

    Silicone based defoamers are also suitable in non-aqueous foaming systems like crude oil and oil refining.For very demanding applications fluorosilicones may be suitable.. EO/PO based defoamers. EO/PO based defoamers contain polyethylene glycol and polypropylene glycol copolymers.They are delivered as oils, water solutions, or water based emulsions.

  • petropedia what is polyethylene glycol (peg

    Petropedia What is Polyethylene Glycol (PEG

    Polyethylene Glycol (PEG) is a chemical compound that contains polyether and is considered as an osmotic laxative. From petroleum manufacturing to medicine, every industry uses the chemical element. The polymer is quite familiar in the bio-medical field for the products that need different polymer chain lengths. The compound is either a low

  • polypropylene glycol (ppg),25322-69-4

    Polypropylene glycol (PPG),25322-69-4

    Which polyethylene glycol (PEG) should in a ceramic application? Compatibility Studies Of Blends Of PPG 4000 And PEG 4000 Using Viscosi; The safe of TWEEN 80 AND SPAN 80; Which polyethylene glycol should in an agricultural application? Polyethylene glycol PEG 200 compliant with the major Pharmacopoeias?

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