... Proposal Sequestration of CO 2 in deep unmined coal seams is currently under development for improved recovery of coalbed methane (ICBM) as well as permanent storage of CO 2 . Recent studies have shown that CO 2 displaces methane by adsorbing more readily onto the coal matrix compared...

... Abstract In order to solve the problems of poor adaptability of reservoir stimulation technology and low gas production of single well in high-rank coalbed methane (CBM) reservoir, a new concept of "methane-leading" reservoir stimulation technology and the corresponding technology method system...

... Abstract Methane production from coalbed methane (CBM) fields started as a method for keeping coal mining safe from explosions. Major CBM fields are located in San Juan, Powder River, Forest City, Black Worrier and Illinois. Majority of the US natural gas production comes from coalbed methane...

... of coalbed methane in a particular basin. particular basin Introduction Ever since the methane which is trapped in coalbeds has been recognized as a natural gas resource, considerable effort has gone into delineation studies. For the most part, and especially in the western coalbeds of the United States...

... The brittleness index (BI) of coalbed methane (CBM) reservoirs is an important reference data for fracturing zone selection and sweet spot prediction, and also an important parameter for CBM reservoir evaluation. Therefore, the research on the brittleness of CBM reservoirs plays a vital role...

.... However, for coalbed methane (CBM) reservoirs, gas desorption-induced coal shrinkage also contributes to the stress change, which is rarely included in the theoretical models. In this work, the in-situ stress evolution during coalbed depletion is first investigated through combining the effect...

... Abstract For the desorption of methane, thermal stimulation is an alternative to develop coalbed methane (CBM) when it is difficult to reduce the formation pressure. Microwave heating is a promising thermal method to increase the gas recovery of CBM especially for the CBM reservoir with high...

... workflow full field model scenario URTEC-208275-MS An Efficient Approach for Optimising Well Spacing in Coalbed Methane Assets Gladys Chang, Zana Williams, Sam Guiton, Colin Chan, and Fabian Brandimarte, Shell Australia Copyright 2021, Unconventional Resources Technology Conference (URTeC) DOI...

... to validate the history-matched ensemble. The results showed a good match of 12 months of the new production data, not used in history-matching. That highlights the robust prediction capabilities of the approach. coalbed methane localization area gas content artificial intelligence coal seam gas es...

... of memory function, hence it cannot handle the time-series data ( Shi et al. 2021 ). Gated Recurrent Unit (GRU) Abstract Coalbed methane (CBM) has emerged as one of the clean unconventional resources to supplement the rising demand of conventional hydrocarbons. Analyzing and predicting CBM...

... ABSTRACT: Coalbed methane (CBM) is one of the important unconventional gas resources in the worldwide. However, we are still facing the challenge of low gas production rate for a single well. Here, we proposed a new completion method: horizontal cavity completion achieved by abrasive water jet...

... Abstract The Coalbed Methane in Australia Surat Basin is main gas source for LNG project in east coast of Australia [ 1 ] . Traditionally, Coalbed Methane are drilled by vertical wells. But there are big intensively farmed land coverage in the Surat Basin, the multiple wells on single...

... Abstract Horizontal drilling in the Fruitland Formation, a Coalbed Methane (CBM) play located in the San Juan Basin (SJB), found across the states of Colorado and New Mexico can present a number of drilling and production challenges. Examples of these challenges include wellbore instability...

... Many operators are developing coalbed methane (CBM) reservoirs from Ordos basin on a regular basis, and fracturing is one of the key measures to increase production from this unconventional resource. Despite the long history and large volume for CBM fracturing stages in the past...

... Reserve and formation evaluation are the basis to the development of coalbed methane (CBM) reservoirs. To date, material balance methods and productivity analysis methods are mainly used to estimate the reserve and permeability, respectively. However, there are lack of methods for determining...

... of contributing to the successful development of coalbed methane (CBM) reservoirs, which is an indispensable member of the family of unconventional gas reservoirs, a novel production prediction model is proposed for fractured vertical CBM wells. The main difference of the research compared with previous excellent...