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Geochemical characteristics and implications of shale gas ...

Shale gas resource is rich in our country [1], especially the Paleozoic Marine black shale generated in the Sichuan Basin, which has a huge potential in terms of shale gas resource, and the dragon stream group of shale in the Lower Silurian series is considered as the most favorable layers for the development of shale gas.

Experimental investigation on water adsorption and ...

A total of six different shale samples used in this study were collected from various shale wells within the Lower Silurian Longmaxi Formation in the Sichuan …

Energies | Free Full-Text | Clarifying the Effect of Clay ...

The shale of the Lower Silurian Longmaxi Formation in the Sichuan Basin is an important target of shale gas development [5,6,7]. Gas content is a key indicator for the evaluation of shale gas reservoirs and the calculation of its reserves [ 8, 9, 10 ].

BP latest oil major to exit China's shale gas after poor ...

BP is the last of the international oil majors, including Royal Dutch Shell, Exxon Mobil, ConocoPhillips and ENI, to quit exploring for shale gas in China because of poor drilling results.

WATER AVAILABILITY FOR SHALE GAS DEVELOPMENT IN …

showed that Sichuan Basin's stratigraphy consists of black shale, black and dark/grey shale, dark grey shale, and silty mudstone, mainly comprising carbonaceous and clay shale.5-7 The second shale target in Sichuan Basin is the Cambrian Qiongzhusi formation. Although deeper than the Longmaxi and mostly screened out by the 5km depth cutoff,

Researchers link deadly Sichuan quake to fracking | News ...

In Sichuan, a hilly area prone to quakes due to its proximity to fault lines, shale gas production has been expanding rapidly since 2012. The Province—one of three basins home to the majority of estimated national shale gas reserves—accounts for about a third of China's total shale gas production.

Evolution and migration of shale facies and their control ...

In the central Sichuan uplift, there is a higher carbonate content. And with our new lithofacies maps, distribution of the sweet spots was identified. The northeastern Sichuan Basin has the siliceous shale in the Wufeng Formation and the silicon-bearing shale in the Longmaxi Formation, making it a play area with the greatest gas potential.

(PDF) Experimental on the pore structure characteristics ...

The nanopore structure of gas shale from Sichuan basin is studied using x-ray diffraction, total organic carbon (TOC), and nitrogen adsorption. Fractal dimensions D1 and D2 are calculated from the ...

PetroChina Discovers Shale Gas Reserves in the Sichuan Basin

This largest integrated oil company in China has explored additional shale gas reserves at two new blocks in southwest China's Sichuan Basin. The …

Water Availability and Shale Gas Development in Sichuan ...

development of shale gas extraction across the United States and Canada. China holds the world's largest technically recoverable shale gas resources and the third largest technically recoverable tight oil resources. Sichuan Basin, with the largest shale gas resources in the country, is China's most promising shale …

What is shale gas? - YouTube

Video explaining shale gas and hydraulic fracturing (fracking).For more information about shale oil and gas and fracking, visit the GOVUK website.https://

Stationary crushing line,Hard Stone Processing Project ...

Granite Sand Making Machine in Sichuan, China. Location : Sichuan, China Equipment : F5X1360 Vibrating Feeder, PE1000*1200 Jaw Crusher, HST250S Cone Crusher, HPT500M Cone Crusher, VSI6X1263 Sand Making Machine, 5 sets of S5X Vibrating Screen, 3 …

Frontiers | The Main Controlling Factors and Evaluation ...

Based on logging, seismic, fracturing and production data from 301 productive wells in Longmaxi Formation in Changning shale gas field of southern Sichuan basin, the various influence factors of shale gas stimulated potential have been analyzed to carry out the correlation study with estimated ultimate recovery (EUR) of the same fracturing operation intensity to fully clarify the main ...

Characteristics of Organic Matter Pores and the ...

Organic matter pores (OMP) provide significant storage space for hydrocarbons in lower Silurian Longmaxi shales in the Dingshan field of southern Sichuan, China. The distributions of organic matter and the different OMP structure parameters were characterized through Ar-ion polishing, scanning electron microscopy (SEM), and image analysis software for shale samples of different wells.

Shale Gas in the Sichuan Basin - gfz-potsdam.de

Shale Gas in the Sichuan Basin: considerations of gas-in-place and fraccability In recent years, shale gas plays have become increasingly important exploration targets around the world. In China, various black shale formations ranging from Precambrian to Cenozoic in age cover an …

Sichuan Basin shale gas unconventional play Report | Wood ...

The Sichuan shale play is currently the most active and most productive shale play in China. Despite the impressive progress at Fuling, the Sichuan shale play is still at the early stage of development, and uncertainty over the resource potential and geology exists. Table of contents. Play overview Opportunities

Geochemical and reservoir characteristics of the Upper ...

300-700 m and 80 at maximum in West Sichuan depression. The organic-rich shale of Xu1 Member, with a total organic carbon content of (TOC wt.%) > 0.5%, is thickest in the western Sichuan Basin, up to 300 m, and gradually thins southeastwards and northeastwards, to 5-10 m thick in the central Sichuan; the organic-rich shale of Xu3

BP to bow out of shale gas pacts in Sichuan - Asia Times

Oil giant BP is planning to quit two production sharing contracts for shale gas projects in Sichuan province with China National Petroleum Corp (CNPC), sina.com reported, citing Reuters. The drilling results for most of the wells were disappointing, the report said.

crusher, shale crusher, impact crsuher - YouTube

Jaw crusher, impact crusher, hammer crusher, roller press,etc.Brandon ChowSales managerChengdu Xinli Equipment Manufacturing Co.,Ltd

China's Sinopec makes fresh gas discovery in Sichuan Basin

Credit: WORKSITE Ltd / Unsplash. Chinese national oil company Sinopec has made a new natural gas discovery in its Zang field in Sichuan province. The discovery increases the proved gas reserves at the Zang field to more than 34 billion cubic metres (bcm). This brings the Sichuan Basin's total natural gas reserves to 106.1bcm.

Inhibition of the Hydration Expansion of Sichuan Gas Shale ...

Water-based drilling fluids are characterized by cost-effective, wide sources of raw materials, and environmental friendliness. However, it is prone to cause various accidents that affect the drilling efficiency. One of the main problems is that conventional inhibitors cannot effectively suppress the hydration expansion of shale in Sichuan. In this study, we found that a mixture of Span 20 and ...

China Impact Hammer Crusher for Crushing Hard Stone Shale ...

China Impact Hammer Crusher for Crushing Hard Stone Shale, Find details about China Crusher, Hammer Crusher from Impact Hammer Crusher for Crushing Hard Stone Shale - Ziyang Precision Machinery Co., Ltd. Sign In. Join Free For Buyer ... Sichuan, China. Last Login Date: Oct 24, 2019.

Water use for shale gas extraction in the Sichuan Basin ...

Sichuan basin is chosen as a target area to expand the geographical areas of study. • Practical shale gas production behaviors that could reduce water use are considered. • The net water use and water intensity are 24500 m 3 /well and 1.9 m 3 water/10 4 m 3 gas. • The fracturing and completion stage accounts for the largest share in net ...

(PDF) Characteristics of shale lithofacies and reservoir ...

The organic-rich marine shale in the southern and eastern Sichuan Basin is one of the most important shale-gas reservoir formations in China. To investigate the elastic anisotropy of this shale ...

Mineral and pore structure characteristics of gas shale in ...

In this paper, the mineral and pore structure characteristics of Longmaxi shale gas reservoir have been studied with a series of parallel experiments on core samples drilled from Jiaoshiba gas field, southern Sichuan Basin, China, including X-ray diffraction (XRD) tests, total organic carbon (TOC) analysis, field emission scanning electron microscopy (FE-SEM), low temperature nitrogen ...

PetroChina to more than double Sichuan shale gas output by ...

The operation covers Yibin, Zigong, Neijiang, Luzhou and Yongchuan regions of the gas-rich Sichuan province in southwest China as well as Yongchuan in Chongqing municipality. PetroChina sunk more than 240 wells this year in the sprawling blocks of Sichuan, resulting in daily shale gas output 40% higher than at the beginning of 2020, the report said.

China Hersteller Sand Siebmaschine, Sand Siebmaschine ...

China Sand Siebmaschine Liste Hersteller, erhalten Sie Zugriff auf Sand Siebmaschine Hersteller und Lieferanten aus China Sand Siebmaschine effektiv auf de.Made-in-China.com

Shale gas reservoir characterization: A typical case in ...

The Lower Silurian Longmaxi Shale in Southeast Chongqing of Sichuan Basin in China is considered to be a potential shale gas reservoir by many scholars in recent years. The special shale gas well, namely, Pengye-1 well, was selected as a case study to evaluate the characteristics of the shale gas reservoir. A series of experiments were performed to analyze the geochemical, mineralogical, and ...

Shale adsorption characteristics of the Lower Cambrian ...

Shale samples were pre-treated. A crusher was used to pulverize coarse shale samples, followed by sieving with 60-mesh and 80-mesh sieves to obtain shale particles with a size range of 0.180–0.250 mm. (2) ... Guo et al. obtained the same results as those described above by studying the shale in the southern Sichuan region.

Basin and its periphery 1. Status, potential and prospect ...

gas resources in the Wufeng Formation-Longmaxi Formation marine shale above 4 500 m in southern Sichuan is 3.7×1012 m3, among which the recoverable reserves exceed 2×1012 m3. It has the development potential of constructing a yearly shale gas production scale of 1 000×108 m3 and stablizing production for more than 10 years.

Study on the Spontaneous Imbibition Characteristics of the ...

Deep shale gas reservoirs are a significant alternative type of shale gas reservoir in China. The productivity of deep shale gas wells is lower than that of shallow shale, and the imbibition characteristics of deep shale have a significant effect on the retention and backflow of fracturing fluid and the productivity of shale gas wells. In this study, the pore structure characteristics of ...

FLOTATION COLLECTOR PREPARATION AND EVALUATION OF OIL SHALE.

Oil shale, as a humic sludge substance, has not only some basic properties of coal but also unique properties of its own. Oil shale is characterized by a high content of ash and a low amount of organic matter compared to coal [6]. Generally, the amount of organic matter in oil shale is less than 35%, while that in coal is more than 75%.