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Indonesia Reasonable Design Water-In-Oil Type High Viscosity Polyacrylamide

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3D Physical Simulation Experiment of Edge Water …

3D Physical Simulation Experiment of Edge Water …

May 13, 2020 · 2.2. Experimental Materials. Experimental water is the formation water from the shallow reservoir in the Jidong Oilfield; the type of water is NaHCO 3; and the total salinity is 1635 mg/e experimental oil is the simulated oil from the shallow reservoir in the Jidong Oilfield, the crude oil viscosity is 5.0 mPa·s at 70°C, the surfactant (betaine) solution …
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Oil displacement mechanisms of viscoelastic polymers in ...

Oil displacement mechanisms of viscoelastic polymers in ...

Oct 23, 2013 · As early as the 1960s, polymer flooding has been suggested as an oil displacement process in enhanced oil recovery (EOR), weasing the viscosity of the displacing fluid, which is commonly water (Sandiford 1964).This pioneer work conducted by Sandiford was then followed by wide research efforts with the purpose of …
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Influence of Crude Oil Components on Interfacial ...

Influence of Crude Oil Components on Interfacial ...

19, 20 Hoease the viscosity of the water phase and the relative motion resistance between oil drops and water drops, resulting in the formation of more stable ...
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(PDF) Microbial Enhanced Oil Recovery (MEOR): Alternatif ...

(PDF) Microbial Enhanced Oil Recovery (MEOR): Alternatif ...

The reservoirs of Saudi Arabia are characterized by high formation water salinity, which can be as high as 30% by weight. Saudi oil formations are characterized by connate water in the range of …
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easing Hydrocarbon Recovery Factors

easing Hydrocarbon Recovery Factors

The simplest of the nonthermal oil recovery is designer water; i.e., the manipulation of the mineral composition of the drive water to achieve high microscopic displacement efficiency. In the early days of this technique, low-salinity field trials were reported by BP then study of designer water has grown to be ...
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Designing Optimal Terpolymers for Enhanced Oil …

Designing Optimal Terpolymers for Enhanced Oil …

the high temperatures and high salinities characteristic of oil reservoirs. Important characteristiude EORgood viscosity modification ability (achieved through water solubility, high molerporation
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A review of development methods and EOR technologies for ...

A review of development methods and EOR technologies for ...

Jun 03, 2020 · In view of the high viscosity of crude oil, steam injection and thermal recovery are often used to reduce the viscosity of crude oil. The injection of a surfactant is beneficial to reduce the oil–water interfacial tension and improve the washing effiease the sweep coefficient and block the channel.
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Experimental study on the performance of emulsions ...

Experimental study on the performance of emulsions ...

Dec 08, 2021 · For this study, the crude oil used was supplied from the oil field. Alkali solution used is Sodium Carbonate (Na 2 CO 3) solution with a stock concentration of 50,000 ionic Alpha Olefin Sulfonate (AOS) surfactant at a stock concentration of 10,000 ppm, with a structural formula RCH (OH) (CH 2)n SO 3 Na was used. The polymer used is in-house GLP100 produced …
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Review on chemical enhanced oil recovery using polymer ...

Review on chemical enhanced oil recovery using polymer ...

Jun 01, 2020 · High viscosity of the polymer solution compared to water helps to sweepease oil recovery. In order to improve oil recovery in polymer flooding process, the visceased by eiteasing the polymer concentration in brine, decreasing the salinity of ...
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Polymer–Surfactant Flooding in Low-Permeability Reservoirs ...

Polymer–Surfactant Flooding in Low-Permeability Reservoirs ...

Jan 28, 2022 · Thus a complex system with high viscosity and low interfacial tension can be constituted by 0.3 wt% petroleum sulfonate and 0.18 wt% hydrolyzed polyacrylamide with a viscosity-averaged mol. wt. of 1 × 107. In addn., the dynamic interfacial tension between complex system and crueasing the salt content in soln.
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Perspective Review of Polymers as Additives in Water-Based ...

Perspective Review of Polymers as Additives in Water-Based ...

Feb 23, 2022 · High mol. wt. × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and friction reducer in both enhanced oil recovery and high vol. hydraulic fracturing.
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Thermosensitive Water Soluble Polymers: a Solution to High ...

Thermosensitive Water Soluble Polymers: a Solution to High ...

In actual with mixing of CO 2 gas at high pressure into Partial Hydrolyzed Polyacrylamide solution (HPease the viscosity of …
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Polymer-to-Solvent Reference Table for GPC/SEC - Agilent

Polymer-to-Solvent Reference Table for GPC/SEC - Agilent

Polyacrylamide (PAM) Water + 0.05 M Na 2 SO 4 at pH 3 PL aquagel-OHEN Polyacrylamide (PAM) Water + 0.2 M O 3 + 0.01 M NaH 2 PO 4 at pH 7 PL aquagel-OHEN Polyacrylic acid (PAA) Water + 0.2 M O 3 + 0.01 M NaH 2 PO 4, adjusted to pH 7 PL aquagel-OHEN Poly-alpha-olefi n (PAO) TCB + 0.015 % BHT PLgel …
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Processes | Special Issue : Research on the Polymer-Coated ...

Processes | Special Issue : Research on the Polymer-Coated ...

Jan 31, 2022 · If the oil price was 50 dollars/bbl, when the output-input ratio was set at 1, the reasonable polymer injection volume was 0.59 PV, and the continuous polymer injection volume was 0.29 PV in the water/polymer co-flooding stage.
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Review of oilfield produced water treatment technologies ...

Review of oilfield produced water treatment technologies ...

Feb 28, 2022 · The separation of oil and water by flotation technique is based on the Stokes’ law as expressed as follows: (1) v = 2 9 R 2 (ρ w − ρ o) μ where, v is the velocity of oil droplets rising to the surface, R is the radius of the oil droplets, ρ w is the water density, ρ o is the oil density, μ is the water viscosity. The larger the size ...
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What's the application of Polyacrylamide in waste water ...

What's the application of Polyacrylamide in waste water ...

Jan 10, 2020 · Polyacrylamide is a linear polymer, the product is mainly divided into dry powder and colloidal two forms.According to its average molecular weight, it can be divided into low molecular weight (<1 ...
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Experimental Study on Medium Viscosity Oil Displacement ...

Experimental Study on Medium Viscosity Oil Displacement ...

Nov 29, 2018 · With the growing demand for oil energy and a decrease in the recoverable reserves of conventional oil, the development of viscous oil, bitumen, and shale oil is playing an important role in the oil industry. Bohai Bay in China is an offshore oilfield that was developed through polymer flooding process. This study investigated the pore-scale displacement of …
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Processes | Free Full-Text | Evaluation of ... - MDPI

Processes | Free Full-Text | Evaluation of ... - MDPI

Mar 21, 2020 · In addition, this study shows that higher oil recoveries are obtained if the polymer injection is conducted earlier (i.e., at lower water cut production rates, where flood water is a relatively small fraction of the total volume produced) than if the polymer is injected later after waterflooding (i.e., at high water cut production rates); in ...
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March 30th Flashcards - Quizlet

March 30th Flashcards - Quizlet

The HLB system is a semi-empirical method to predict what type of surfactant properties a molecular structure will provide. Water-in-oil emulsifiers have a low HLB numbers, typically around 4. Solubilizing agents have high HLB numbers. Oil-in-water emulsifiers have intermediate to high HLB numbers.
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Settling velocity of drill cuttings in drilling fluids: A ...

Settling velocity of drill cuttings in drilling fluids: A ...

Nov 01, 2018 · Glucose-in-water solutions and CMC of medium viscosity grade: n = 0.61–1 Density = 1007–1390 kg/m 3 K = 0.0078–15.31: Hazzab et al. Vertical: PVC and glass of spherical, cylindrical and cubic shapes: 1–40 mm: 1380–2640 kg/m 3: Water and oil solvent: Density of oil = 793 kg/m 3 Viscosity = 0.00219 m 2 /s: Aswad and Khaliq
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Microemulsions: a novel approach to enhanced oil recovery ...

Microemulsions: a novel approach to enhanced oil recovery ...

Sep 24, 2014 · The viscosity of microemulsions depends on the structure of the microemulsion, i.e., whether it is water- or oil-external. It is well known that at low water content, the system is oil-external, and at high water content, the system shows the reverse, i.e., water-external.
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A review of petroleum emulsions and recent progress on ...

A review of petroleum emulsions and recent progress on ...

Jun 01, 2018 · Determining the type of an emulsion is very simple. If it is miscible with water, it is an emulsion of oil in water; if miscible with oil, it is water dispersed in oil. Probably more than 95 percent of all oil field emulsions are of the water in oil type (Wang, Zhang et al. 2004).
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A review of thermally stable gels for fluid diversion in ...

A review of thermally stable gels for fluid diversion in ...

High molecular weight water-soluble compounds such as polyacrylamide (PAM) or hydrolysed polyacrylamide (HPAM) are the most commonly utilised …
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Waterflooding - PetroWiki - Oil&Gas

Waterflooding - PetroWiki - Oil&Gas

Jan 15, 2018 · Similarly, a low-API crude oil (≤ 20°API) has a high viscosity and a very low mobility unless it is heated to high temperatures. Because water’s viscosity at reservoir temperatures generally is much lower than or, at best, equal to that of the reservoir oil, the water-/oil-viscosity ratio is generally much greater than 1:1.
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Recovery rates, enhanced oil recovery and technological limits

Recovery rates, enhanced oil recovery and technological limits

Jan 13, 2014 · A typical oil–water viscosity ratio is about 2 while a typical gas–oil ... The most widely applied treatment of this type consisted of polyacrylamide as the polymer and a Cr(III ... , e.g. a well in the Prudhoe Bay field continued producing a high proportion of oil compared with water for 5 years after treatment. In ...
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Experimental investigation on associative polymers to ...

Experimental investigation on associative polymers to ...

Over past years, in terms of regulating the macroscopic reservoir heterogeneity, the technologies of profile modification and water plugging, based on polymer chemically cross-linking materials and systems or slug combination of high-/low- concentration polyacrylamide, can improve the oil recovery to a certain extent , , , , , , .However, laboratory experiments and field practices have …
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Overcoming Challenges in Chemical EOR During Polymer ...

Overcoming Challenges in Chemical EOR During Polymer ...

May 31, 2020 · In chemical enhanced oil recovery (EOR), challenges are expected regarding production chemistry and production-facilities operations. Partially hydrolyzed polyacrylamide (HPAM) is used widely for controlling mobility ratios. Complex in water chemistry and rich in positively charged divalent ions, flooded polymer, having a negative charge ...
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Study on Viscosity Reducer Flooding Technology for Deep ...

Study on Viscosity Reducer Flooding Technology for Deep ...

May 12, 2021 · Deep low permeability extra heavy oil reservoir has the characteristics of high formation pressure, high crude oil viscosity, and low permeability. Conventional steam injection thermal recovery has poor viscosity reduction performance and low productivity of a single well, which makes it difficult to develop this type of heavy oil reservoir. In this paper, core flooding …
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Miniature Viscous Disk Pump: Performance Variations …

Miniature Viscous Disk Pump: Performance Variations …

Nov 03, 2016 · The polyacrylamide solution data cover a wider range of HC, with values as high as 3.8, whereas the water solution data extend to HC values up to about 1.5. Slip coefficients are as high as approximately 0.55 for the polyacrylamide solutions, …
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USE OF POLYMERS TO RECOVER VISCOUS OIL FROM ... -

USE OF POLYMERS TO RECOVER VISCOUS OIL FROM ... -

Sep 30, 2011 · High oil viscosity and low formation strength impose problems to high recovery and well productivity. Water-alternate-gas injection processes can be effective for the lower viscosity end of these deposits in West Sak and Shrader Bluff. Several gas streams are available in the North Slope containing NGL and CO{sub 2} (a greenhouse gas).
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Petroleum Geology Petroleum Systems EOR 101 - SNF

Petroleum Geology Petroleum Systems EOR 101 - SNF

Expanded polymer chain high viscosity 1% Polyacrylamide in H2O (viscosity brookfield) η = 5.000 to 6.000 mPa.s (Brookfield UL @6 rpm ) 1% Polyacrylamide in H2O+Ethanol (70/30) η = 700 to 800 mPa.s __ (Brookfield UL @6 rpm ) 1% Polyacrylamide in Ethanol η = η of ethanol __ (Brookfield UL @6 rpm ) Good solvent
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A comprehensive review of polyacrylamide polymer gels for ...

A comprehensive review of polyacrylamide polymer gels for ...

Aug 01, 2015 · A comprehensive review of polyacrylamide polymer gels for conformance control Baojun Bai 1, *, Jia Zhou 2 , Mingfei Yin 1 1. Missouri University of Science and Technology, Rolla 65409, USA; 2. BASF Corporation, Houston 77802, USA Abstract: Polymer gels have been designed and successfully applied to improve sweep efficiency and to reduce ...
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Lubrication Flashcards - Quizlet

Lubrication Flashcards - Quizlet

Lubrication. 8411. What will be the result of operating an engine in extremely high temperatures using a lubricant recommended by the manufacturer for a much lower temperature? C-The oil pressure will be lower than normal. 8412. (1) Gas turbine and reciprocating engine oils can be mixed or used interchangeably.
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