Results 31 to 40 of about 664,327 (117)

Research progress of symbiotic accumulation of coal measure gas in China

open access: yesNatural Gas Industry B, 2018
Coal measure gas (CMG), referring to natural gas stored in coal measures, as well as its existence, exploration and production, has been highly concerned recently in natural gas sector in China, and pilot tests of which have been succeeded with some ...
Yong Qin
doaj   +1 more source

Change laws of water invasion performance in fractured–porous water-bearing gas reservoirs and key parameter calculation methods

open access: yesNatural Gas Industry B, 2021
In order to develop fractured–porous water-bearing gas reservoirs efficiently, it is necessary to understand the change laws of water invasion performance. Based on the π theorem, this paper adopted the dimensionless parameter that can reflect the change
Huaxun Liu   +4 more
doaj   +1 more source

(Table 2) Nd and Sr isotope ratios of ODP Site 122-762 sediments

open access: yes, 2012
(Table 2) Nd and Sr isotope ratios of ODP Site 122-762 ...
Le Houedec, Sandrine   +5 more
core   +1 more source

A new type of cementation flushing fluid for efficiently removing wellbore filter cake

open access: yesNatural Gas Industry B, 2015
For effectively removing the water-based drilling fluid filter cake and improving interfacial cementing strength and cementing quality, a new type of cementation flushing fluid (WD-C) was developed based on the strong flushing principle of water soluble ...
Erding Chen, Chengwen Wang, Renzhou Meng
doaj   +1 more source

Hydrocarbon preservation conditions in Mesozoic–Paleozoic marine strata in the South Yellow Sea Basin

open access: yesNatural Gas Industry B, 2017
In the South Yellow Sea Basin, Mesozoic–Paleozoic marine strata are generally well developed with large thickness, and they are characterized by multi-source and multi-stage hydrocarbon accumulation, providing a material basis for the formation of large ...
Jie Liang   +4 more
doaj   +1 more source

Coal bed methane gas in-place estimation for the North-Western region of Zimbabwe

open access: yesNatural Gas Industry B, 2023
Coal Bed Methane (CBM) is natural gas occurring in coal seams. It can be used for domestic (heating and cooking) and industrial purposes, electricity generation, transportation (as compressed natural gas or liquefied natural gas), and in boilers ...
Bruce Mutume, Doruk Alp
doaj   +1 more source

2021 SB 762 wildfire risk mapping report

open access: yes, 2021
Title from PDF caption (viewed on January 7, 2022)."Senate Bill 762 (SB 762) Section 7a requires the Oregon Department of Forestry (Department) to report on its requirement to oversee the development and maintenance of a comprehensive statewide map of ...

core  

An integrated approach to analyze the formation models of geothermal resources in complicated areas with low exploration: A case study of the Midu County in Yunnan Province, China

open access: yesNatural Gas Industry B
As an important component of the exploration and evaluation of geothermal resources, the formation model has unique formation and distribution rule in different regions. Reliable geological models need to be established to help in temperature prediction,
Longfei Xu   +6 more
doaj   +1 more source

Technologies in deep and ultra-deep well drilling: Present status, challenges and future trend in the 13th Five-Year Plan period (2016–2020)

open access: yesNatural Gas Industry B, 2017
During the 12th Five-Year Plan period (2011–2015), CNPC independently developed a series of new drilling equipment, tools and chemical materials for deep and ultra-deep wells, including six packages of key drilling equipment: rigs for wells up to 8000 
Haige Wang, Yunhua Ge, Lin Shi
doaj   +1 more source

Exploration status of the deep Sinian strata in the Sichuan Basin: Formation conditions of old giant carbonate oil/gas fields

open access: yesNatural Gas Industry B, 2020
To construct a giant Sichuan gas province, it is in an urgent need of exploring new replacement areas with abundant natural gas resources and great exploration potential. In this paper, the formation conditions (e.g.
Wenzhi Zhao   +9 more
doaj   +1 more source

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