Geologic Sequestration and Injection of Carbon Dioxide Subparts

Injection of CO 2 into unmineable coal seams may result in displacement of methane CH 4 from the coal seam and subsequent production of the methane as a product or enhanced coal bed methane There are currently 80 ER fields operating in the United 2

CBM branch well

Production data of 25 coalbed methane wells of Jincheng Lu an Jiaozuo and Tiefa coalfields are used in a comprehensive study on permeability gas saturation condition of reservoir pressure drop off underground water system and energy system of coalbed methane reservoir

Milestones A G Guzman Garcia Worldwide

Coal Bed Methane On location for the first ever in ExxonMobil history Injection Falloff Tests in a Coal Bed Methane Coal Seam Gas play in Germany Collaboration with the reservoir engineer in the interpretation of the downhole data on site allowed for modifications to the program to ensure that objectives were met

Learnings from a failed nitrogen enhanced coalbed

A nitrogen flood ECBM micro pilot was carried out in a deep low permeability Cameo coal zone of the Mesavede Group in the Piceance Basin The pilot project entailed the injection of about 28 mmcf 7 9E5 m 3 of nitrogen over a period of 15 days at pressures about 650 psig 4482 kPa above the initial reservoir pressure followed by a soak period of 15 days and subsequently 11 days of flow back

Well Testing CBM Wells Definition of Major Anomalies with Oil

Well Testing CBM Wells Definition of Major Anomalies with Oil and Gas Reservoir 1 Usman Habu Taura 2 Babagana Gutti Department of Chemical Engineering University of Maiduguri Maiduguri Nigeria Majed Alharbi Halliburton Al Khobar Saudi Arabia

Combining Pressure Falloff and Buildup Testing Using

Although normal testing techniques can be used interval testing using wireline can be more efficiently deployed to test individual coal bed seams Traditionally either an injection test or production test was applied to coal bed seams In this paper we present a

00020569 Design and Interpretation of InjectionFalloff Tests for Coalbed Methane

The test rate ef 0 25 bbl min was used because this was the lowest injection rate that could be consistently maintained over long periods of time using the equipment available ilU amp J Typical pressure response from injection fall off tests run using the test

Applied analysis of injection falloff well test in the coal

Through introducing application of the injection fall off well test method in coal bed methane well the rationality of well test interpretation process is analyzed and discussed the accuracy of

injection falloff test equipment coal bed methane

AQSIO SAC 2009 GB T 24504–2009 The method of injection falloff well test for coalbed methane well Beijing Standards Press of China 1–8 in Chinese with an English abstract Google Scholar Bell JS 2006 In situ stress and coal bed methane potential in

Kemal Baskoro

Drilling Steam Test Engineer of PT Gas Fields Testing Indonesia Jakarta Drilling Steam Test DST injection fall off WHP for Coal Bed Methane exploration Responsibilities Operating DST injection fall off equipment other equipment test Conducting DST

Interpretation of Water Injection Fall Off Test Response to

Interpretation of Water Injection Fall Off Test Response to M Levitan Authors Abbas Azarkish National Iranian Oil Co a decision is made to sanction a project and to develop the field Replacing a production build up test sequence by an injection

Procedure and equipment for sealing coal bed methane

The article presents guidelines test model design and barrier shield design model aimed to improve the quality of sealing coal bed methane drainage holes by the barrier shielding method 3 Provedenie issledovanii i razrabotka prototipa bezopasnoi tekhnologii

Applied Analysis of Injection Falloff Well Test in the Coal Bed

Through introducing application of the injection fall off well test method in coal bed methane well the rationality of well test interpretation process is analyzed and discussed the accuracy of its interpretation results has been discussed and attentions on application

coal for coal injection in indian bfs

Through introducing application of the injection fall off well test method in coal bed methane well the rationality of well test interpretation process is analyzed and discussed the accuracy of its interpretation results has been discussed and attentions on

CBM reservoir evaluation

It usually is easier to measure injection rates in an injection falloff test than it is to estimate flow rates in a drillstem test when fluids are not produced to the surface Second injection falloff tests usually are not affected by complications resulting from gas desorption because the reservoir pressure does not fall below the initial pressure during the test

Combining Pressure Falloff and Buildup Testing Using Wireline Formation Tester in Coal Bed Methane

and below straddling the coal seam The test procedure used in this zone consisted of injection at a rate of 1 03 bbl day of the brine present in the wellbore followed by a fall off test a subsequent draw down with the sa me rate of 1 03 bbl day and fi nally with

Optimization of enhanced coal bed methane recovery

The methane available in the coal seam after the injection period was then examined for each well condition see figure 25 and the addition of the fourth well at the mid point makes only a minor contribution to methane production although a considerable amount

Chemical Injection

With our chemical injection component inventory and extensive equipment line up we can supply trailer mounted spooling equipment or full size ESP trucks to spool multiple chemical injections lines simultaneously on its own or with an ESP cable

Swelling Measurements of a Low Rank Coal in Supercritical CO2

added value of enhanced coal bed methane recovery CO ECBMR It has been suggested that the CO2 sorp tion capacity of coal seams is typically between 2 to 10 times higher than that for CH4 depending on coal rank 3 CO 2 injection into a coal seam 4

Coal Bed Methane Reservoir Simulation Studies

Coal Bed Methane Reservoir Simulation Studies By Kaveh Karimi Supervisor Prof W V Pinczewski A thesis submitted in partial fulfillment of the requirement for the Degree of Master of Engineering School of Petroleum Engineering The University of New South

Surface Coal Mine Methane Offset Protocol

or set of devices that result in the capture and destruction of methane gas that would otherwise have been vented to the atmosphere from an active surface coal mine operation This methane gas will be referred to as surface mine methane SMM throughout

Development of In House Coal Seam Permeability Testing

Coal Permeability Injection Fall Off Testing BHP Billiton Illawarra Coal has been conducting in house coal permeability testing since October 2004 Prior to this around 40 tests had been conducted and in the past year and a half an additional 130 tests have

Experimental research on displacing coal bed methane with

Experimental research on displacing coal bed methane with supercritical CO2 See discussions Since in the process of increasing production by gas injection to coal bed methane carbon dioxide is mostly in a supercritical state The literature Stahl et al

Sequestration and Enhanced Coal Bed Methane Tanquary

Sequestration and Enhanced Coal Bed Methane Tanquary Farms Test Site Wabash County Illinois Injection equipment and procedures were adjusted in response to these problems Approximately 92 3 tonnes 101 7 tons of CO sub 2 were injected over 1

Experimental research on displacing coal bed methane

Highlights To improve the permeability of coal bed an experimental system was set up The effect of displacement of coal bed methane by supercritical CO 2 was studied The extraction broadens the seepage channel for coal bed methane The permeability of coal sample increased after the extraction of supercritical CO 2

Design and Interpretation of Injection Falloff Tests for

SPE Members Abstract This paper presents the results of a study undertaken to investigate the reasons why data from injection falloff tests of coalbed methane wells were not interpretable using conventional well test analysis techniques and the resu

IFT Mining Associates

INJECTION FALL OFF TEST IFT To determine the economic feasibility of coal bed methane well it is necessary to evaluate the productive potential of coal seams prior to well fracturing and formal production including trial production Generally the reservoir data

Review of Well Injection Tests

Review of Well Injection Tests Mr Saad Ibrahim P Eng 1 day Janu Course Objective The purpose of this one day course is to offer a complete coverage the various injection tests conducted in the industry their applications and how to analyse test data Injection tests are conducted for 1 water disposal and injection wells 2 Steam

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