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Aug 11

It is known that Indonesia has a large reservation for Oil and natual gas. Actually, besides oil and natual gas, Indonesia has one of the largest CBM resources in the world with a potential 453 trillion ft3 in-place, that is almost three times Indonesia’s current reserves of natural gas.

Reports from CBM Asia: Indonesia CBM resources located mainly in Sumatra and Kalimantan provinces. The CBM exploration and development has intensified in Indonesia in recent years, particularly since the first Production Sharing Contracts were awarded in 2008.

CBM is normally found at depths between 500 – 3500 feet, not nearly as deep as conventional gas. This enables the use of smaller drilling rigs, which are cheaper to use and have less impact on the surrounding environment.

GN Solids Control, as one API certified professional manufacturer for drilling mud recycling equipments, could offer complete drilling mud recycling system for CBM industry. With the raising exploration for CBM in Indonesia, GN more and more pays attention to this market.


The large reservation for CBM already attracted many energy company invest in Indonesia. Besides CBM Asia, other company like BP, Dart Energy, ENI, ExxonMobil, Medco, Santos, and TOTAL, all active in CBM exploration in Indonesia.

written by GN Desander Desilter \\ tags: , , , , ,

Aug 04

Besides the oil & gas industry, GN Solids Control at the same time could offer standard CMM/CBM mud system for mining exploration industry which also need reuse the drilling mud.

Difference between CMM and CBM

In our previous blod, for many times we mentioned the CBM(Coalbed methane) which is a form of natural gas extracted from coal beds. It is formed during the process of coalification, the transformation of plant material into coal. Coalbed methane is also known as virgin coal seam methane or coal seam gas. CBM is  a valuable resource of natural gas in in United States, Canada, and other countries. IN U.S., CBM accounts for about 10% of total natural gas production annually.

While, CMM(Coal mine methane) refers to methane released from the coal and surrounding rock strata due to mining activities. CMM recovery has two key drivers: Mine safety and The opportunity to mitigate significant volumes of methane emissions arising from coal mining activities. So, the recovering and using CMM is considered emissions avoidance. The utilise CMM for energy production has a strong potential.


GN CMM/CBM Mud System for World Market

As we know, Australia has rich deposits for CBM, by now, we has already exported more than 10 units complete mud recycling system there. In Australia, GN has no other Chinese competitors. The compact structure design and high efficiency solids control equipments win much good feedback from customers there.

India also has large request for CMM/CBM mud system used in the mining exploration industry. In coming few days, 1 unit 500GPM mud system would be sent to India. This system is of Hydraulic jackup design,so that the mud tank could be easily moved from one site to another.

With the energy request keeping raising and the energy new resouce exploration, CMM and CBM more and more would be given attention by the energy company and drilling contractor. GN has taken the first step in offering mud system for CMM/CBM mining exploration industry and it is believed that GN will do better in the future.

written by GN Desander Desilter \\ tags: , , , , , , ,

Mar 17

In some drilling project such as HDD, CBM and water well drilling, the capacity of the drilling mud need to be treated is not so large. Sometimes 150GPM, 200GPM.  The traditional mud cleaner is oversized for this grade treating capacity. In order to meet the special requirement, GN designed and produced one type mini mud cleaner that applicated in small mud system.

Mini Mud Cleaner

The Advantage of Mini Mud Cleaner

Comparing with the traditional desander, desilter, mini cleaner has a underflow shaker GN752 model contains 2 panels screen. That make the mini cleaner could be used to treat the weighted drilling mud. For it has larger screen area and Vibration force. While the underflow shaker is structure compact and cost saving. It is a best choice for samll drilling project.

The Structure of Mini Mud Cleaner

GN mini mud cleaner is designed to match desander or desilter cone. For desander cone, we could choose 1 unit or 2 unit 10″ cone. The treating capacity is 500GPM or 1000GPM. Correspondingly, by this capacity, the desilter cone number is 8 and 12. If you want to use it when the flow rate is smaller. You could choose 4 units desilter cone or 6 units. While the matching capacity is 200GPM and 350 GPM. One artful design in GN mini mud cleaner is that the cyclone frame is installed and fixed on the Underflow shaker by bolts, we could uninstall it for transport convenience. For the underflow shaker for mini cleaner, we also offer linear motion and balanced elliptical motion. Welcome to GN website to get more information about this mini type mud cleaner, you could also send us email or make a call to us. GN will give you satisfying solution.

written by GN Desander Desilter \\ tags: , , , , ,

Sep 22

People may find that in the previous blogs here, one statement is often mentioned that GN is a professional manufacturer of mud system for CBM. But what is CBM? We think maybe few people know it if not involved in this line.

What is CBM

CBM or coal bed methane is a type of natural gas produced from coal. The coal seam is both the source and the reservoir, which is different from conventional oil and gas.

The Formation of CBM

During the coalification process, some organic matter is converted into coal, while some other organic matter is transformed into natural gas, which is then adsorbed onto the surface of the coal. The methane stored is up to seven times the amount of natural gas stored in a conventional sandstone reservoir.
When the pressure of the coals at depth is released, the CBM produced. This process is called dewatering, for this occurs when water trapped within the coal is removed.

How People Develop the CBM

The challenge in developing CBM is to find ‘sweet spots’that allow gas to flow at commercial rates. These factors include gas content and saturation in the coal, the permeability of the coal, thickness of the coal seams and the areal extent.
A 300 to 1,200 metre deep well is used to extract CBM from the coal bed. A special rotating blade ream out cavities in the coal seams. Water, released from the coal, is pumped from the well then the gas separate from the coal and flow into the well. The water is transported through underground pipes to a dam for possible reuse and recycling. The gas passes through a separator near the well head to remove water traces before being piped to a processing facility to be compressed and dehydrated. The gas is then fed into commercial pipelines.

Blog contents come from: http://www.dartenergy.com.au/page/Our_Company/Our_Business_-_CBM/

written by GN Desander Desilter \\ tags: , ,

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