shale shaker | GN Decanter Centrifuge

GN Solids Control Equipments Sailing for Russia

It has been years since GN
products became popular among Russian companies, especially for Drilling
companies and oilfield service companies. Not long ago, there are a lot of solids control equipments shipped
to Russian for a drilling rig’s complete solids control line, including shale
shakers, mud cleaner and decanter centrifuges of middle speed and high
speed, the vacuum
degasser, and feeding pumps for desander and desilter
cones for the mud cleaner, the feeding pumps for the decanter centrifuges and
also, the mud mixers and mud guns.

In fact, ever since GN Solids
Control was established years ago, the foreign market has been occupying a
large share of GN Solids Control’s market share. Not only the Russian spoken
countries, but also the Middle East, the Asian countries, the South American
countries and the high standard market including the European countries and
Australia, GN Solids Control has been their first choice among all Chinese
brands.

Why not other brands come from
USA or Europe?

GN Solids Control has been
providing the solids control industry with its high standard international standard
products. GN always believes in Quality first, price second. After becoming the
first API certified solids control manufacturer in China, GN Solids Control has
been certified by HSE, ISO, DNV CE and many other certificates internationally. GN Solids American is
the first USA based solids control company from China, and before the establish
of GN US branch, GN’s products have been accepted by US and Canadian clients
and have been competing with them in their local market. Until now, GN’s
products have been exported to more than 60 countries and regions in the world.

Why choose GN among all Chinese
suppliers in this field?

Of course, quality and reliability
are always most important factors when the end users choose the brand or
supplier. GN Solids Control has a good reputation during the years, and clients
mostly come from introduction by old clients. There is an old Chinese saying
that seeing is believing, at any time, welcome to visit and inspect GN factory
and office near to Beijing airport, the capital of China.

Dredging Slurry Separation System

It is very strange that China even
have more strict environmental requirement on the dredging field than all over
the world, on the waste solids disposal and also the fluid dump, no matter
how it have been applied on field, in paper it is really advanced. So
basically when the oil market is down, we get a chance there, some client
in dredging field said. Just like you have done in drilling
waste management field. Also we have realised that not
only china all over the world, people are taking more care on the
environmental protection. For dredging, what we need is: Recycle the cleaner fluids.

Dump and reuse as much as possible on
the solids.

Not like the oil gas drilling, from the
pond, or from the river, from sea, there are sands, rocks, and other
things as you can imagine which have been buried in it. So
the separation seems very different. Except the basic concepts.

Separate the biggest particles and
other stuff other than the sands and silts. There are many ways to do this, one
is dig another pit / pond, with at big screen from where dredging pump
feeds, let the screen separate unreasonable parts to the pond, keep them away
from the progress. Another way is gumbo box, it is quite same as
the mining applications, to separate the biggest rocks from the first
step, then others feeding directly to the shale
shaker.

Then directly, or by another pump from the
pond. The feeding goes to the double deck shaker. In GN Solids Control , it is GNZS706E,
which is good to separate the bigger sands and the most of
the bigger solids. going through two sieves.

Catched by the pump, feeding to the
cyclones, to get the silts separated.

Then in the same way, separated by the
decanter centrifuge.

Sometimes it also need help from chemicals
that why a flocculent unit is there. To concentric the small particles
to be bigger ones, then easier to be separated.

Kindly contact GN for a full solution.

GN Fixation Unit for Drilling Waste Management

GN Solids Control is complete line drilling waste
management solution provider, related equipment like vertical cuttings
dryer, High G dryer, cuttings fixation unit, thermal desorption unit etc.
Different countries have different regulations on the treatment of drilling
waste discharged from shale shaker & mud cleaner &
centrifuge.

Like client in Nigeria, most of land rig
oil drilling company do like this:

1)
Use one set vertical
cuttings dryer + one set decanter centrifuge at rigsite. During drilling
period, the drilling waste discharged from shaker will go to vertical cuttings
dryer for recycle and reuse. The discharge solids from vertical dryer will be
collected by cuttings skips. The drilling fluids will go to centrifuge to
remove fine solids and then, go back to active mud tank for reuse.

2)
The cuttings skips for vertical
dryer, cuttings skips for mud cleaner and cuttings skips for centrifuge will be
taken to mud factory which have thermal desorption unit for final treatment.

3)
Vertical cuttings dryer is
mostly used in oil based mud drilling waste management. If for water based mud
drilling cuttings treatment, high G shaker is mostly
used. Because of lower environmental containment of WBM, high G dryer is very
lower cost than vertical cuttings dryer.

Like client from Algeria / Gabon, they like
to use cuttings fixation unit for final treatment at rigsite. They transfer the
drilling waste into the fixation unit, with curing agent.

Except for the drilling waste management
equipment, GN Solids Control also produces large quantity of solids control
equipment. Each year, we provide over 250 sets shale shaker & mud cleaner
& desander &
desilter; over 150 sets decanter centrifuge; over 400 sets centrifugal pump
& shear pump & submersible slurry pump & screw pump.

We can also offer complete line of solids
control mud system for oil & gas drilling big drilling rigs; compact small
mud system for HDD small rigs/ water water small rigs etc. For clients with
similar requirement, pls contact us freely.

GN Equips the Solids Control Equipment with Own Fabricated Control Panel

You know why in the industry of drilling fluid
solids control equipment manufacturing, GN Solids Control always keeps the
leading position? Besides GN’s keeping improving the products quality, the continuous
launch of new products is also a factor. From the manufacturer of primary
solids control equipment to the supplier of both solids control and waste
cuttings drying management solution provider, GN’s keeping improving is
obvious to all. Now GN can also equip our machinery with the control panel
assembled by our self.

In order to meet demand of oil industry,
all of GN’s control panels are flame proof type, or called explosion proof
type. Mainly GN has 2 flame proof types control panel: one is isolation
explosion proof; this type control panel has a panel case that could isolate
the flammable gas with the inner space of the panel. In case the wire circuit
produces spark, due to the isolation function, the flammable gas will get into
the control panel so as to prevent the explosion. Always all GN’s equipments
are equipped with this type control panel like the shale
shaker, vacuum
degasser and fixed speed decanter centrifuge as well as cutting dryer unit.

GN also has VFD control panel for the decanter centrifuge
and cuttings dryer unit. This is all because these 2 equipments will perform to
get different result when running at different speed, which could make the
equipment meet the demand of various working condition. GN’s VFD control panel
outside shell is stainless steel material with excellent appearance. It is
positive pressurized control box with cooling tube or air conditioner for
working in high temperature. The VFD is ABB or Siemens brand. PLC smart control
with HMI interface is for manual and automatic operation and protection.

All GN’s control panels except VFD type are
Ex marks as Ex d II Bt4 for Class 1, Division 2 application. All the positive
pressurized VFD control panels are Ex mark as EXdeib PZ IIB T6 for Class 1,
Division 2 application. ATEX and IEC explosion proof certified are also
optional upon request.

Sources and Sizes of Drill Mud Solids

There are 2 main sources of drill solids
particles are the chemical additives and formal drilling cuttings, the drilling
cuttings are containments that degrade the performance of drilling mud. The
drilling particles will be ground into smaller and smaller and become more and
more difficult to remove from drilling mud if the drilling cuttings that not removed as per guide. Most of the
formal drill solids will be able to be removed by mechanical ways by drill
solids separate equipment and small drill particle will be very difficult to
remove and will have a great effect on drilling mud properties than the very
larger drill solids particles . The solids particle size in drilling mud
incorporated into drill mud will be range from 1 to 250 microns.

The clay, colloidal and bentonizte will be
size between 1 to 5 microns, silt, barites and fine cement dust will be 6 to 44
microns, fine sand will be between 44 to 74 microns, API sand will be 105 to
149 microns, coarse sand can be 500 – 1000 microns, coarse that larger than
2000 microns, there will be colloidal that bellow 2 microns.

Drilling solids particles are the main contaminant
in the drilling mud, so the control of the importance of the good solids
control including increased the penetration rate and reduce mud cost, reduce
water requirement, reduce mixing problem, reduce differential striking, etc.
The drilling solids removal is important to keep drilling mud recycling and re-use.
The
main equipment for drill solids removal are shale shaker , desander, desilter, decanter centrifuge and there will be other
machine assistant to meet separation application including mud tank, centrifugal pump, valve and pipeline.