Gas Buster

is an important equipment to prevent well kick during drilling, so the production process should be strictly controlled. The process control including the following aspects:

1 Surface preparation

Steelwork:

Before all paint actions will be taken the surface to be coated must be clean and free from contamination. Sharp edges shall be rounded or smoothed to radius 2 mm. Hard surface layers shall be removed by grinding before blasting. All welds shall be fully sealed.

Abrasive Blast Cleaning:

As abrasive steel grit or copper slag can be used. If oxidation has occurred between blasting and application of paint, the surface should be reblasted to the specified visual standard.

Surface defects revealed by the blast cleaning process, should be ground, filled, or treated in the appropriate manner.

2 Painting

Intershield 300 aluminium GTA 220

Intershield 300 bronze GTA 220

Interzinc 52 grey GTA 220

Intergard 475 HS grey MIO GTA 007

Interthane 990 Ral 7016 GTA 713

From the above process, GN gas buster can be H2S-proof for safety purpose. Welcome to inquiry GN solids control for more info.

Gas buster is a post from: Mud Solids Control Equipment

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A flare stack (alternatively known as gas flare ) is a vertical vent pipe used in oil and gas drilling sites. The pipe diameter of flare stack is usually 8” for GN ZYQ series poor boy degasser.

flare stack

The function of flare stacks

They are used to eliminate waste gas invaded in the drilling mud, otherwise it will lead to “blowout”, “kick”. They also act as safety systems for non-waste gas and is released via pressure relief valve when needed to ease the strain on equipment. They protect gas processing equipments from being over pressured. Also in case of an emergency situation, the flare system helps burn out the total reserve gas.

How flare stacks work

Whenever the poor boy degasser are over-pressured, the pressure relief valves automatically releases gases which are routed through large piping runs called flare headers to the flare stacks. The released gases are burned as they exit the flare stacks. The size and brightness of the resulting flame depends upon the flammable material’s flow rate in terms of joules per hour.

In order to keep the flare system functional, a small amount of gas is continuously burned, like a pilot light, so that the system is always ready for its primary purpose as an over-pressure safety system. The continuous gas source also helps diluted mixtures achieve complete combustion. Enclosed ground flares are engineered to eliminate smoke, and contain the flame within the stack.

Environmental impacts

The flaring and venting of associated gas from oil drilling sites is a significant source of carbon dioxide (CO₂) emissions. The amount of such emissions has declined from a peak of about 110×10⁶ metric tons in the 1970s to 40×10⁶ metric tons in 2005, a decrease of about 64 percent.

Flare stack is connected the poor boy degasser and flare ignition device for oil field drilling site, so it is an important parts for poor boy degasser. GN produce flare stack/gas flare etc. safety equipments, for more information, pls check GN website.

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 Function of Mud gas separator

 Mud gas separator also called poor boy degasser, Gus buster, which is designed to provide effective separation of the drilling mud and invaded gas from the well by venting the gas and returning the mud to the mud pits. Small amounts of entrained gas can then be handles by a

liquid gas separator

vacuum-type degasser located in the mud pits. The mud/gas separator controls gas cutting during kick situations, during drilling with significant drilled gas in the mud returns, or when trip gas is circulated up.

 Mud leg height is an important parameter for the mud gas separator, you need to clear it during evaluation.

 What is Mud leg?

The mud leg in the separator is controlled by adjusting the fluid level in the mud tank or by moving the separat6or up or down within the tank. Mud tank height can restrict the maximum mud leg obtainable for open-bottom mud gas separator.

 Mud leg is an important part for mud gas separator, it is also called Fluid level. Fluids level is maintained in a float mud gas separator by a float/valve configuration. The float opens and closed a valve on the mud return line to maintain the mud leg level. Valves can be operated by manual linkage system connected from the float to the valve, or the valve can be air-operated with the rig air. Mud leg height can be controlled by adjusting the float assembly.

 There are some inherent problems in the use of float-type mud gas separators. The manual linkage separator has experienced problems with linkage failure resulting in improper opening or closing of the mud return line valve. Air-operated valves fail to function if rig air is lost, resulting in no control of fluid level within the separator. Mud-return-line valves are prone to plug with solids, preventing mud flow back to the mud pits.

 Gas Flow calculation is another important issue to evaluate the mud gas separator.  

Usually we need to calculate the following items.

1 The maximum exhaust per second

2 The maximum exhaust per hour

For the calculation, we need to provide the dimension of vent lines, which is shown in the sketch.

Welcome to discuss the technical specification with GN technician, so we can improve our design to suit for international market use.

How to evaluate a Mud gas separator is a post from: Mud Solids Control Equipment

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How do the two degasser works and the difference

This two pictures is the different work principle of the two digassers.

The left side is the vacuum degasser, and the right side is the mud gas separator(poor boy degasser).

The vacuum degasser suck the drilling mud and separated mud and gas by vacuum pump.

Our vacuum degasser operates on a “thin strata” principle. The drill mud enters the tank and forces it to flow and distributed to a layer of internal baffle plates engineered to allow the liquid inside the vacuum degasser to flow as thin film and is exposed to the vacuum within the vessel. This layer of mud allows the gas to escape or break out of the mud . The vacuum pump releases the gas and discharge it to the disposal line. Mud exits the vessel under the action of the venturi and is returned to the mud system.

The poor boy worked by the physical characters.

The GN MUD/GAS SEPARATOR (poor boy degasser) consists of a cylindrical pressure vessel in a fixed vertical position. Inside is a series of specially angled baffle plates, stepped from the top to the bottom. When contaminated mud is routed into the separator, it flows downward successively over each plate. During this process, the heads of entrained gases “break out.” The released gas is then carried by the vent lines to a remote location where it can be safely flared.
The flow of liquid from the vessel can be regulated by a liquid-level-control valve or a U-tube, ensuring adequate retention time in the separator for the gas to break out.

Different Style and Different Looking

Here we set a few pictures to state this point. Maybe that sounds more.

Different Structure and Different Function

The mud gas separator is used before shale shaker, while the vacuum degasser is used after the shale shaker, so they have different function. The poor boy degasser usually used to separate the most dangerous gas, and the vacuum degasser is used only when we need more effective and more efficient results.

The Difference between Vacuum Degasser and Poor Boy Degasser is a post from: Mud Solids Control Equipment

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Hydrocyclone Separator

Hydrocyclone separator is always referring as desander and desitler, used after shale shaker in the solids control system. Usually the cone diameter is more than 6″is called Desander, and used as the second-control equipment in drilling operation. the cone diameter is less than 6″is called Desilter, and used as the third-control equipment in drilling operation. We commonly used 5 “and 4″ cone to separate solid-phase particle size 15-47μm in the drilling fluid.

Decanter Centrifuge

Decanter centrifuge are used to process unweighted and weighted, water-based and oil-based drilling fluids (muds). Mechanical energy is utilized to increase the gravitational force exerted on solids that are present in the mud system.

Mud Gas Separator

Mud gas separators in other countries also called Poor boy degasser,Liquid-gas separators,Mud/Gas Separators, etc.GN Solids Control  designs and manufactures ZYQ Mud gas Separators. Mud gas Separators is an extremely reliable, vital piece of safety equipment for today’s drilling operations.

These mud separators are important in solids control system, desander and desilter is the the usual part of solids control system, except for work over rig solids control. Mud gas separator is usually used for environment friendly.

Mud Separator in Solids Control System is a post from: Mud Solids Control Equipment

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The oil well torch is a electric ignition device, the oil well troch is used for igniting gas in oil and gas drilling. It is always used

company with the mud gas separator.GN Solids Control Flare Ignition Device is a good oil well torch and sells well all over the world.
The oil and well torch is a kind of handling arrangement used in blown down natural gas, the tail gas from collecting and distributing station of natural gas and from refinery.

The oil well torch can be used to ignited the harmful gas be fired which is used to be blown down. It is friendly to the enviorement.

Oil Well Torch  Technical Parameters

Oil Well Torch Related equipments of solids control

The oil well torch, apart from being used in the refinery and gas distribution station, may be matched with Mud Gas Separator. And now, as a matured product it has been extensively used in petroleum drilling engineering.

Other related equipments like drilling mud system, vacuum degasser,  learn more about solids control equipments.

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Following is clients requirements for Mud gas separator & Trip tank & Choke Manifold skid

Trip Tank & Mud Gas Separator Skid

1-      10’ x 40’ oilfield type skid with loading hitches for tail boarding and provisions for mounting of choke manifold.

2-      60 bbls trip tank 8’ long x 10’ wide x 8’ manifold high

one (1) 10 hp agitator

two (2) 3’’ x 2’’ centrifugal pump with mechanical seal for trip tank. pump to be powered by a 25 hp, 1800 rpm, 480 volt, 3- phase, 60 hz x pac motor.

3-      mud gas separator to be 2.5’ x 20’. unit will separate mud and vent gas. unit will fold over the top of the choke manifold.

4-      one (1) 4’’,  5000#, 2-1/16’’ choke manifold complete with one (1) 5- way cross, eight (8) 4-1/16’’ x 5000# gate valves, one (1) 2-1/16’’ x 5000# gate valve, one (1) 4-1/16’’ adjustable choke, one (1) studded 4- way cross, 2-1/16’’ x 5000# ports, one (1) 2-1/16’’ flanged mud gauge, one (1) 2-1/16’’ x 5000# adapter flange, one (1) blanking plug, one (1) 2’’, 1502 hammer nut and all bolts/nuts for flanges. customer to supply one (1) 5000# hydraulic choke and control panel.

piping from choke manifold to mud/gas separator to be included.

5-      bar grating to cover the entire top of trip tank.

one (1) set of stairs with handrails from top of tank to poor boy side to be included.

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Mud/Gas Separator Sizing and Evaluation

Recent wellsite disasters have led to an increased emphasis on properly sized mud/gas separators. To assure safty,we

Mud Gas Separator sizing design

should know mud/gas separator technology and recommends separator configuration, components, design considerations, and a sizing procedure. A simple method of evaluating mud/gas separation within the separator vessel has been developed as a basis for the sizing procedure. A mud/gas separator sizing worksheet will assist drilling personnel with the sizing calculations. The worksheet provides a quick and easy evaluation of most mud/gas separators for a specific well application. A brief discussion of other mud/gas separator considerations is provided, including separator components, testing, materials, and oil-based-mud considerations.

The mud/gas separator is designed to provide effective separation of the mud and gas circulated from the well by venting the gas and returning the mud to the mud pits. Small amounts of entrained gas can then be handled by a vacuum-type degasser located in the mud pits. The mud/gas separator controls gas cutting during kick situations, during drilling with significant drilled gas in the mud returns, or when trip gas is circulated up.

Questions for mud gas separator sizing and design.

1,We enclosed our normal models mud gas separator quotation of FOB,Shanghai,China and our latest products Brochure FYI.As the increasing of freight and raw material,the price of mud gas separator increased.

Poor boy degasser

2,For selecting the right sizing and design of mud gas separator,please tell us the treating capacity,and other special requirements?
3,The mud gas separator need to match with flare ignitors,we manufacture flare ignitors(Torch unit),do you need it?
4,Please review our solids control brochure,and give us your inquiry.
5,About lead time for the mud gas separator,we have some of the equipments in stock,after we know the sizing and design you need,we will tell you.

Mud Gas Separator Sizing & Design is a post from: Mud Solids Control Equipment

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Learn more:Electric Ignition Device

Drilling mud gas torch

Working procedure of drilling mud torch.

1. Have the flammable gas conveyed to the air intake of gas burner (torch) through the pipeline installed at the safe area.
2. Connect and start current transformation of electric ignition device and electric circuit of voltage amplification.
3. Open the liquefied gas pot and ignite fire-leading tube through operating electric ignite (ignition at first stage), or with the fire-leading gas valve of emptying gas directly opened, ignite fire-leading tube through electric igniter (ignition at first stage).
4. Open gas blown down valve and ignite the blown down gas through the flaming fire-leading tube (ignition at second stage).
5. Have the liquefied gas pot closed with fire-leading tube put out, letting the blown down flammable gas to freely burning.

Drilling mud gas drilling torch unit. for poor boy degasser.

oil gas drilling torch unit is a post from: Mud Solids Control Equipment

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