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Monthly Archives: July 2013

Shale Shakers: separation by vibratory screening

One method of removing solids from drilling fluid is to pass the mud over the surface of a vibrating screen. Particles smaller than the openings in the screen pass through the holes of the screen along with the liquid phase of the mud. Particles too large to pass through the screen are thereby separated from the mud for disposal. Basically, a screen acts as a “go-no-go” gauge: Either a particle is small enough to pass through the screen or it is not.

Screening surfaces used in solids control equipment are generally made of woven wire screen cloth, in many different sizes and shapes. The following characteristics of screen cloth are important in solids applications. Screens may be constructed with one or more LAYERS. NON -LAYERED screens have a single screen cloth mounted in a screen panel. These screens will have openings that are regular in size and shape. LAYERED screens have two or more screen cloths, usually of different
mesh, mounted in a screen panel. These screens will have openings that vary greatly in size & shape.

Shale Shaker

Vibrating Mechanism

The purpose of vibrating the screen in solids control is to tumble the solids particles to separate fluids from solids and increase through put capacity. This vibrating action causes rapid separation of whole mud from the oversize solids, reducing the amount of mud lost with the solids. For maximum efficiency, the solids on the screen surface must travel in a predetermined pattern. For example; some devices use elliptical motion and others use Linear motion to increase efficiency.
The combined effect of the screen and vibration, result in the separation and removal of oversized particles from drilling mud.


Africa Oil begins drilling new well in Turkana

Canadian explorer Africa Oil Corp said yesterday it had begun drilling a new well in Kenya with its British partner Tullow Oil Plc, as the two companies speed up exploration efforts in East Africa .

East Africa has become a hotbed of exploration after oil discoveries in Kenya and Uganda and huge gas finds in Tanzania and Mozambique. However, Kenya has yet to determine whether it has commercially viable quantities of hydrocarbons.

Drilling of the Ekales-1 well, located within Kenya’s Lokichar basin, started on Monday. Its planned depth is 2,500 metres and it would take approximately two months to drill and evaluate its content, Africa Oil said.

“The Ekales prospect is probably one of the lowest risk prospects in our inventory. The proximity and similarity to the existing Ngamia and Twiga discoveries give us a high degree of confidence that we will find oil and continue to build the discovered resources necessary for commercial volume threshold,” Keith Hill, Africa Oil’s chief executive, said in a statement.

Earlier this month, Tullow said it saw a flow rate potential of 5,000 barrels a day based on Ngamia-1 and Twiga-South-1, and estimated combined mean associated resources for the discoveries were 250 million barrels of oil, a forecast it said could increase further after appraisal.

The Ekales-1 prospect is located approximately 15 km northwest of the Ngamia discovery and 7 km south of the Twiga discovery, Africa Oil said.

Ekales-1 on onshore block 13T is a joint venture between Tullow, the well operator with 50 per cent of the exploration licence, and Africa Oil.


Australia’s Otto Energy starts drilling for oil in Leyte

MANILA – Australia’s Otto Energy Ltd has begun drilling for oil in Leyte.

In a regulatory filing, Otto Energy said the Desco Rig 30 commenced drilling at the Duhat-2 exploration well, which the company expects to take 31 days.

Duhat-2 is covered by oil and gas exploration and development service contract (SC) 51.

The prospect is estimated to contain a mean prospective resource oil volume of 34 million barrels of oil with a range of 1-88 million barrels of oil. The company culled the estimates from the seismic program it commissioned in the petroleum block in 2012.

“Success at Duhat has the potential to not only identify a new oil field but a new petroleum province,” Otto Energy earlier said.

The contract area is divided into two areas: the southern portion, which covers the Cebu-Bohol Strait; and the northern portion, which covers a portion of onshore Leyte that covers the Duhat-2 prospect.

Otto Energy controls 80-percent of the northern portion in partnership with local firms Cosco Capital Inc, Trans-Asia Oil and Energy Development Corp and PetroEnergy Resources Corp.

The group expects to commence with field development and exploration as early as 2014 if the Duhat-2 drilling is successful.

Otto Energy is also part of the consortium that operates the Galoc field, which is the Philippines’ only commercially producing oil field.


Energy services provider-Hunting PLC

Hunting PLC is an international energy services provider that manufactures and distributes products that enable the extraction of oil and gas for the worlds leading companies. Established in 1874, it is a fully listed public company traded on the London Stock Exchange.

The global “Upstream” activity is co-ordinated through Hunting Energy Services. This builds on a history that has spanned one hundred years of innovation in developing products and techniques to enable the successful development of customer assets. With a large presence in North America, Europe, the Middle East and Asia.

Well Construction Services

Its Well Construction division provides products and services to oil and gas customers in the drilling phase of exploration and production programmes.

Typically the company provides Casing and Oil Country Tubular Goods (OCTG) in the Construction of the well bore in an oil and gas well; in house design (Seal-Lock) and threading of Premium Connections are well suited to the deeper and more challenging offshore environments.

Well Completion Services

Its Well Completion division oversees the global manufacture of accessories and completion equipment for the worlds principle producing regions. Providing products, proprietary technologies, engineering expertise and services below the wellhead.

OCTG supply, advanced manufacturing techniques, high specification casing and premium connections for global markets, 2-step tubing for the US. Speciality threading, OEM manufacturing and proprietary down hole tools used by the upstream oil and gas companies.

Well Intervention Equipment

Its Well Intervention division spans a range of services for Equipment Manufacturing and supply for Down Hole Intervention in producing wells for logging or other well services.

The growth of this division by organic means and through acquisition has allowed for the integration of an extensive range of pressure control equipment technologies, wireline and slickline tools, together with intervention expertise into the Hunting portfolio.



Shale Shaker Manufacturer in China

Shale shakers separate solids from liquids by utilizing a vibrating basket, which is outfitted with specially designed and sized screens. Shakers are considered the most important tool for removing drilled solids. These units remove the majority of drilled solids generated during the typical drilling process. Shale shakers typically generate between five to over eight G-forces of energy for removing solids from the mud system.

DC Machinery manufactures several models of shale shakers, each targeting a specific segment of the market. These shakers are employed on rigs ranging in size from small work-over land rigs to large offshore platforms.Shale Shaker

The following picture is shale shaker which produced by DC Machinery, the model is DCS700-3.

Shale Shaker.

Model:                     DCS700-3
Vibrating Mode:                     Linear Motion
Motor Power:                      2×1.5/1.72KW
Vibrating Strength:                    ≤7.0G
Amplitude:                      5~6mm
Treating Capacity:                      110 m3/h 572GPM
Deck Adjustment:                       -1°~5°
Normal Power:                      380V/50HZ(according to customer requirements)
Screen Area:                      2.2/2.94m2
Screen Specification:                      700×1050mm (40~250 mesh)
Weight:                       2000kg
Dimension:                       2755×1650×1500mm

China’s crude oil output slightly up

China’s crude oil output rose slightly year on year in the first half
of 2013, according to data released Friday by the country’s top
economic planner.

The National Development and Reform Commission (NDRC) said in a
statement that crude oil production stood at 103.31 million tonnes in
the first six months, up 3.2 percent from the same period last year.

The country refined 217.46 million tonnes of crude oil during the
first half, up 6.6 percent year on year, while refined oil products
rose by 6 percent to 133.77 million tonnes, the NDRC said.

Apparent consumption of refined oil products rose 4 percent from a
year earlier to 126.54 million tonnes.

In the same period, natural gas output rose 9 percent to 58.8 billion
cubic meters, while imports climbed 24.6 percent to 24.7 billion cubic

Apparent consumption of natural gas climbed 13.1 percent year on year
to 81.5 billion cubic meters, according to the statement.

GE Oil & Gas

GE Oil & GasGE Oil & Gas is a world leader in advanced technology equipment and services for all segments of the oil and gas industry, from exploration & production to downstream.

Drilling Solutions: Land and Offshore
Offshore Solutions
Subsea Solutions
Enhanced Oil Recovery (EOR) Solutions
Unconventional Resources
Full Range LNG Solutions
Industrial Power Generation
Refinery & Petrochemicals
Gas Storage & Pipeline

GE has developed a new solution for gas turbine air filtration to enhance efficiency and availability. Contaminating agents in the air, such as dust particles and salt oxides, can enter the gas turbine, reducing the overall efficiency of the engine and potentially causing serious mechanical damage.


Dana Gas Achieves Record 2013 production in Egypt

Dana Gas PJSC has achieved record production in 2013 in Egypt of 39,000 barrels of oil equivalent per day, including 190 mmscfd of gas and 8,500 barrels of liquids per day.

The Company has made substantial capital expenditure investments to its Nile Delta operations over the last 18 months. These include new compression facilities, new fields being brought on stream and work to increase its numerous gas plants throughput. As a result of investments made since February 2012 production levels have reached a peak of 39,000 boepd, an increase of 13% over the year 2012. The average output year-to-date has been 34,000 boepd.

The Company’s core operations in the Nile Delta and its Egyptian Bahrain Gas Derivatives Company (EBGDCo) Natural Gas Liquids extraction plant in Ras Shukheir have not been impacted by the current events in Egypt. However, the Company continues to closely monitor developments.

Dana Gas announced the Begonia-1 discovery on 30 June and has submitted a proposed Development Plan to the Egyptian authorities as part of a Development Lease application. The submission remains on track and following approvals, gas from the Begonia-1 will be tied into the existing gas gathering and production system.

Dana Gas continues to engage with relevant government authorities regarding its overdue receivables and its future capital expenditure plans. It welcomes and actively supports the Government’s desire to increase local hydrocarbon production in order to meet growing domestic demand. Discussions of fiscal support by the international community will also play a significant role in addressing investment decisions by key international investors. During Q1 2013, Dana Gas collected US$41 million with a 100% revenue collection.

Dr Patrick Allman-Ward, General Manager of Dana Gas Egypt and designated CEO, said: “Our Egyptian operations continue to perform well despite the difficult fiscal environment oil and gas companies have faced in the country over the last two years. We have made four successful discoveries over the last year and increased our local production significantly.


Oil and Gas Equipment, Service Company-FMC Technologies

FMC Technologies, Inc. (NYSE:FTI) is a leading global provider of technology solutions for the energy industry. Named by FORTUNE Magazine as the World’s Most Admired Oil and Gas Equipment, Service Company in 2012, the Company has approximately 18,400 employees and operates 30 production facilities in 16 countries. FMC Technologies designs, manufactures and services technologically sophisticated systems and products such as subsea production and processing systems, surface wellhead systems, high pressure fluid control equipment, measurement solutions, and marine loading systems for the oil and gas industry.

From a continuous spray pump in California’s orchards in the 1880s to some of the world’s most sophisticated technology and equipment for the oilfield service, FMC Technologies and its predecessor companies have a long history of technical innovation. FMC Technologies traces its roots to 1884 when inventor John Bean developed a new type of spray pump to combat San Jose scale in California’s orchards. When neighbors clamored for the device, Bean Spray Pump Company was born.

FMC Technologies History



Nigeria Oilfield Service Company-Denca Services Limited

Denca Services LimitedDENCA SERVICES LIMITED was registered in Nigeria as a Private Limited. It is a wholly indigenous company incorporated under the Companies and Allied Matters Act of 1990 by the Corporate Affairs Commission in 1987 with RC. No. 91546, and have her corporate headquarters at No. 20, Park Lane, Apapa GRA, Apapa, Lagos State. The company has made tremendous progress and consolidation within its period of existence as a going concern. It has witnessed rapid growth and expansion in its area of business and has made remarkable progress under the track leadership of Chief Dennis Okafor as Chairman/CEO, and Eugene Anachebe as Managing Director.

Denca Services Limited has strived with their resources to be constant in services provision through fast delivery of containers from the seaports, airports, cargo consolidation, bonded terminal operations, fast tracking, terminal to terminal delivery, logistics, maritime operation through provision of water barges, house boats, crew boats vessel suplies, and general logistics supplies.

They provide oil field services engineering, Tank farm and pipeline construction, maritime logistics, distribution of oil and gas products, solid mineral exploration as well as water engineering services.


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