Simulation studies performed to improve development strategy of the first-ever CCUS-EOR pilot in Changqing oilfield. • Key engineering factors identified to achieve the dual goals …
This study is aimed at assessing the potential of CO2 EOR and storage in Changqing oil fields based on the data of 261 mature oil reservoirs. The assessments include a regional …
Optimization of CO2 flooding under dual goals of oil recovery and CO2 storage: Numerical case studies of the first-ever CCUS pilot in Changqing oilfield. Chunning Gao, Junhong …
LANZHOU, Dec. 1 -- Changqing Oilfield, a branch of PetroChina, has discovered a large-scale, well-preserved oilfield with geological reserves of over 100 million tonnes in Huanxian County of northwest China''s Gansu Province. Up to now, Changqing Oilfield has found proven oil reserves of 50.24 million tonnes and estimated oil reserves of 56.2 ...
Semantic Scholar extracted view of "Synchronous injection-production energy replenishment for a horizontal well in an ultra-low permeability sandstone reservoir: A case study of Changqing oilfield in Ordos Basin, NW China" by Jing Wang et al. DOI: 10.1016/S1876-3804(20)60098-2
The oil and gas fields of Changqing Oilfield cover Shaanxi, Gansu and Shanxi provinces as well as Ningxia Hui Autonomous Region and Inner Mongolia Autonomous Region. The huge amount of crude oil and natural gas produced since the firm''s establishment in 1970 has played an important role in safeguarding the country''s …
By the end of April 2020, low surface energy anti-wax technology has been applied in 167 wells of horizontal wells in the Heshui oil area of Changqing Oilfield. The low surface energy anti-wax oil pipe is applied in more than 100,000 m.
The Changqing Oilfield Company, a subsidiary of PetroChina, first started its production in the 1970s from Jurassic formations with relatively high permeability ∼ 10 mD [1], [2]. In recent years, production from these formations became uneconomical; therefore, ultra-low permeability Triassic formations ( ∼ 0.1 mD) have emerged as the main target of …
Changqing Field () is an operating oil field in China. Location The map below shows the exact location of the field in China.
The evaluation method is applied to estimate the CO 2 sequestration capacity and EOR potential in the Changqing oilfield of China. The Changqing oilfield …
Changqing oilfield sees its production exceed 60 million tons of oil - equivalent to crude oil and natural gas in 2020 - to hit a record high. [Photo/Xinhua] Changqing oilfield, China''s largest ...
Abstract Read online PetroChina Changqing Oilfield Company (hereinafter referred to as Changqing Oilfield) built the largest oil and gas production base of China in the Ordos Basin in 2013, achieving the yearly natural gas production of 375 × …
Changqing Oilfield, situated in the Ordos Basin, commenced oil exploration as early as 1950 and has been continuously exploited for over seven decades, resulting in the field now entering the late stage of high water cut development. 2.1 Dense and Numerous Water Injection Wells ...
XI''AN, Dec. 18 (Xinhua) -- Changqing oilfield, China''s largest oil-and-gas field, has produced over 60 million tonnes of oil equivalent (TOE) of crude oil and natural gas so far this year, hitting ...
The evaluation method is applied to estimate the CO2 sequestration capacity and EOR potential in the Changqing oilfield of China. The Changqing oilfield …
On this basis, a new process test was carried out for the first well of coiled tubing gas injection in Changqing Oilfield. It only takes 2.5 hours to lower the tubing string to the design depth. The testing of the large diameter coiled tubing hanger and metal auxiliary sealing device at the wellhead was normal, and the setting and verification of the gas seal …
China has promised to peak carbon dioxide emissions by 2030 and achieve carbon neutrality by 2060. PetroChina Changqing Oilfield Company, a subsidiary of China''s top oil-and-gas producer ...
20221231,——6500,。. Changqing oilfield, China''s largest oil-and-gas field, produced over 65 …
The Changqing Oilfield Company, a subsidiary of PetroChina, first started its production in the 1970s from Jurassic formations with relatively high permeability 10 mD [1, 2].
Exploration and Development Res earch Institute of PetroChina Changqing Oilfield Com pany, Xi''an 710018, China; 2. National Engineering Laboratory for Exploration and Developm ent of Low ...
Cases in Changqing Oilfield indicate the applicability of the proposed model. Abstract There is growing evidence showing that water injection may induce formation fracturing, and the injection well may experience multiple fracture closures during fracture falloff period.
1 · XI''AN -- Changqing Oilfield, China''s largest oil-and-gas field, has produced over 60 million tons of oil equivalent (TOE) of crude oil and natural gas so far this year, hitting a record high. Located in Northwest China''s Erdos basin, the oilfield has produced 24.5 million tons of crude oil and 44.5 billion cubic meters of natural gas ...
Most oil reservoirs in the Changqing Oilfield area are low permeability and have entered middle development stages after several ten years of production, and they …
Here, a domain structure and energy-storage performance diagram for Pb (Zr 1-x Ti x )O 3 ( x ≤ 0.1) single crystal are investigated via phase-field simulations. Controlling the ratio of domain wall coefficients λ and g can tune the periodicities of the antiferroelectric stripe domain and generate a complicated topological domain.
DOI: 10.7122/150031-MS Corpus ID: 129220170 Assessment of CO2 EOR and Its Geo-Storage Potential in Mature Oil Reservoirs, Changqing Oil Field, China @inproceedings{Liao2012AssessmentOC, title={Assessment of CO2 EOR and Its Geo-Storage Potential in Mature Oil Reservoirs, Changqing Oil Field, China}, author={Xin …
The gas huff-n-puff without diffusion (MINC w/o Diff) will underestimate the cumulative oil production and yield a RF of 15.13% as shown in Figure 7.20. The improvement factor for oil with ...
Part of the Global Coal Plant Tracker, a Global Energy Monitor project. Gansu Zhengning power station () is a power station in Zhoujia Town, Zhengning, Qingyang, Gansu, China with multiple units of varying statuses none of which are currently operating. It is also known as 2×1000.
PetroChina Changqing Oilfield Company (hereinafter referred to as Changqing Oilfield) built the largest oil and gas production base of China in the Ordos Basin in 2013, achieving the yearly natural gas production of 375 × 10 8 m 3 in 2015. For the further sustainable ...
Application Prospects for Harmless Treatments of Oily Sludge in Changqing Oilfield Chunmei Xu, Weiyu Bi, Xiaorong Li, Haien Yang, Fangfang Xue, Ping Yi National Engineering Laboratory for Exploration and Development of …
Fig. 1 shows the oil produc- tion curves of Chang8 reservoir in ZB Oilfield with better physical properties (with permeability of 0.69×10 âˆ''3 μm 2, po- rosity of 12.1%), Fig. 2 shows the cumulative oil production curves of Chang 6 …
XI''AN — Changqing Oilfield, China''s largest oil-and-gas field, has produced over 60 million metric tons of oil equivalent of crude oil and natural gas so far this year to hit a record high. Located in northwest China''s Erdos basin, the oilfield has produced 24.5 million metric tons of crude oil and 44.5 billion cubic meters of natural gas ...
Injecting CO2 into oil reservoirs was proven to have a great CO2 sequestration capacity to reduce greenhouse gas emission and economic potentials via enhanced oil recovery (EOR). This paper proposes a CO2 sequestration estimation method based on the material balance method, which considered the CO2 displacement …
This study is aimed at assessing the potential of CO2 EOR and storage in Changqing oil fields based on the data of 261 mature oil reservoirs. The assessments …
For the evaluation of reservoirs in the Ordos Basin, Zhao and Liao [36] evaluated the CO 2 storage capacity and EOR potential of the Changqing Oilfield in China by employing parameters such as ...
Synchronous injection-production energy replenishment for a horizontal well in an ultra-low permeability sandstone reservoir: A case study of Changqing oilfield in Ordos Basin, NW China WANG Jing, 1, 2, *, LIU Jungang 1, 2, LI Zhaoguo 1, 2, LI Hongchang 1, 2, ZHANG Jiaosheng 1, 2, LI Wenqing 1, 2, ZHANG Yuanli 1, 2, PING Yi 1, 2, YANG …
Changqing Oilfield, a branch of PetroChina, has discovered a large-scale, well-preserved oilfield with geological reserves of over 100 million tonnes in Hongde, Huanxian County, in northwest China ...