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Acid wastewater containing sulfuric acid produced in a factory

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Acid wastewater containing sulfuric acid produced in a factory
Stress redistribution in multi-stage hydraulic fracturing ...
Stress redistribution in multi-stage hydraulic fracturing ...

18/9/2015, · During hydraulic ,fracturing,, a ,fracturing fluid, is injected continuously into the formation, ... Electricity generation from enhanced geothermal systems by ,oilfield produced, water circulating through a reservoir stimulated by staged ,fracturing, technology for horizontal wells: a case study in the Xujiaweizi area ,in Daqing Oilfield,, China.

ENHANCED OIL RECOVERY – dankonetblog
ENHANCED OIL RECOVERY – dankonetblog

6/3/2016, · ,ENHANCED OIL RECOVERY, AND RESERVOIRS In the last few years, ,Enhanced Oil Recovery, (EOR) processes have re-gained interest from the research and development phases to the ,oilfield, EOR implementation. This renewed interest has been furthered by the current high oil price environment, the increasing worldwide oil demand, the maturation of oilfields worldwide, and few new-well…

Daqing Oilfield Co. Ltd. | SPE
Daqing Oilfield Co. Ltd. | SPE

Since the year of 2005 the output of new well has been basically from the tertiary infillers in Xingnan development block in No.5 Oil Production Plant, ,Daqing Oilfield, Co., Ltd., where we mainly produce from the thin and poor quality oil layers of tabulated reservoirs (those reservoirs included in the reserve tabulation which was made at the beginning of ,Daqing Oilfield,) and the untabulated reservoirs (those …

EX-99.1 - SEC
EX-99.1 - SEC

In Alaska, Wireline TuffTRAC* cased hole services tractor and PowerJet Omega* deep penetrating perforating shaped charges were deployed to re-perforate four wells for Cook Inlet Natural ,Gas, Storage in the Kenai ,gas field,. Previously, all wells in the ,field, had been perforated overbalanced and the resulting flow tests were below expectations.

Study on the influence of injection/production type and ...
Study on the influence of injection/production type and ...

1/8/2017, · Effective producing coefficient and areal sweep efficiency of several thin and poor Blocks ,in Daqing Oilfield, are calculated by the above methods. Effective producing coefficient and areal sweep efficiency is 0 and the well spacing is limit spacing, and the effective producing coefficient and areal sweep efficiency is 1 and the well spacing is minimal well spacing.

Influence of fractures on the development of low ...
Influence of fractures on the development of low ...

1/5/2010, · The Putaohua oil layer in the Taizhao district is a typical low-permeability sandstone reservoir developed since 2000 in the periphery of the ,Daqing oilfield,. It has a low abundance of reserves, low permeability and low production but a high injection-withdrawal ratio, high …

Electricity generation and heating potential from enhanced ...
Electricity generation and heating potential from enhanced ...

15/12/2015, · In the Daqing oilfield, the maximum fracturing capacity includes the following: flow rate of, 6.5 m 3, /min, surface pressure of 80 MPa, continuous operation time of 5 …

Challenges of Water Treating for Chemical Enhanced Oil ...
Challenges of Water Treating for Chemical Enhanced Oil ...

A polymer flood will result in back-,produced, water with at least twice and up to an order of magnitude greater viscosity compared to conventional ,produced, water, depending on the polymer concentration and extent of polymer degradation. While this is significant, it can be taken into account in equipment design.

2190 PDFs | Review articles in UNCONVENTIONAL RESOURCES
2190 PDFs | Review articles in UNCONVENTIONAL RESOURCES

Apr 2014. Nina Rach. The drilling fluids market is driven by increasing worldwide drilling activities, focused on deepwater. Onshore, operators use horizontal drilling in developing shale ,gas,, CBM ...

Treatment of oilfield wastewater by combined process of ...
Treatment of oilfield wastewater by combined process of ...

The wastewater was stored at 4 °C until required. The main characteristics of the ,fracturing, wastewater are listed in Table 1. As shown, the ,fracturing, wastewater had high concentrations of COD, total dissolved solids and suspended solids (SS). In addition, the ,fracturing, wastewater had high chroma.

World Petroleum Council Guide to Unconventional Gas by ...
World Petroleum Council Guide to Unconventional Gas by ...

The ,gas, processing plant at the ,Changbei, tight ,gas field, in China’s Ordos Basin. States. The corresponding ,gas, endowment of 288 tcm is estimated by the …

14 TRFocus | Porosity | Petroleum Reservoir
14 TRFocus | Porosity | Petroleum Reservoir

The best horizontal locations for ,field, lights of paper SPE 110067, “Horizontal development can be identified by locat-Wells in Tight ,Gas, Sands—A Method- Reservoir Model ing the reservoir zones and aerial extents ology For Risk Management To Maximize A fieldwide reservoir model can help that have both high sand content and Success,” by Jason Baihly, SPE, Dee identify where potential horizontal …

Forecast of oil reserves and production in Daqing oilfield ...
Forecast of oil reserves and production in Daqing oilfield ...

The forecast results show that the future oil production ,in Daqing oilfield, will continue declining, under the base case scenario, from 41.6million tons in 2007 to 8.0million tons in 2060.

Estimate of Hot Dry Rock Geothermal Resource in Daqing ...
Estimate of Hot Dry Rock Geothermal Resource in Daqing ...

Daqing Oilfield,, in Heilongjiang Province, northeast China, had already ,produced, a total of 1.95 billion tons of oil by 2007 as the largest ,oilfield, of China, with a high and stable yield of around 50 million tons per annum from 1976 to 1997 .

The Performance of Polymer Solution Added with Viscosity ...
The Performance of Polymer Solution Added with Viscosity ...

The Performance of Polymer Solution Added with Viscosity Stabilizer and the Evaluation of Its Oil Displacement Efficiency ,in Daqing Oilfield, Aiming at the low viscosity of polymer solution, which is compounded with fresh water but diluted with ,produced, water, and at the problems concerning oil displacement efficiency, an onsite test on polymer solution with viscosity stabilizer (PSVS) is carried out.

Stress redistribution in multi-stage hydraulic fracturing ...
Stress redistribution in multi-stage hydraulic fracturing ...

During hydraulic ,fracturing,, a ,fracturing fluid, is injected continuously into the formation, and fractures will propagate dynamically. However, it is difficult to predetermine the fracture geometry using the pressure distribution function. While using the criterion of K I = K Ic at each moment, the hydraulic mechanical coupling problem can be solved.

Petroleum - Wikipedia
Petroleum - Wikipedia

Petroleum, (pronounced / p ə ˈ t r oʊ l i ə m /) is a naturally occurring, yellowish-black liquid found in geological formations beneath the Earth's surface. It is commonly refined into various types of fuels.Components of ,petroleum, are separated using a technique called fractional distillation, i.e. separation of a liquid mixture into fractions differing in boiling point by means of ...

Forecast of oil reserves and production in Daqing oilfield ...
Forecast of oil reserves and production in Daqing oilfield ...

The forecast results show that the future oil production ,in Daqing oilfield, will continue declining, under the base case scenario, from 41.6million tons in 2007 to 8.0million tons in 2060.

Study on the influence of injection/production type and ...
Study on the influence of injection/production type and ...

1/8/2017, · ,Daqing Oilfield, has already entered the period of high water-cut oil production, and currently the target within the ,oilfield, is thin and poor reservoir layers, whose thickness is less than 0.5 m, and it has very low permeability. These layers also have complicated pore structure and poor developmental benefits because of the low permeability, yet several million tons of remaining reserves ...

Shell Spe Papers (1) - PDF Free Download
Shell Spe Papers (1) - PDF Free Download

The diff e oil ,field gas, and liquid compositions tends to change due to the aging of the ,field, because watercut will increase thus may increase the ,gas, ptimization such as optimal ,gas, lift allocation to maximize oil production can be a non-smooth and non-convex optimization problem.

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