Monthly Archives: January 2013

Mud agitator in solids control system

The Mud Agitator is an important part of mud cleaning equipment in oil & gas drilling , HDD solid control field .

It is mounted on the mud tank , the impeller of the agitator dip into the mud to agitate the fluid uniformly.

DC mud agitator designed , developed and produced by the company are JBQ5.5, JBQ7.5, JBQ11 , JBQ15 . To keep both the mud uniform and suspension of solids , the mud agitator is used to agitate the mud reliably .This agitator agitates the mud to make cuttings ,silt and sand pass the solid control system .

technical features

The reducer adopts worm or worm wheel , with tight structure , good meshing performance and reliable work .

The explosion-proof electric machine and reducer input shaft are connected through elastic coupling instead of belt transmission , and therefore the rotation speed of the wave wheel is constant .

The mixing intensity is large and the range is wide to avoid the engines overload at startup , suitable for wild field operation under poor conditions , and it is convenient to be installed , regulated or replaced .

shale shaker type and features

DCS serial shale shaker is designed with the global most mature and popularly applied dual-shaft synchronized inertia straight – line vibration theory , with features as follows :

-With alloy steel metal material with high strength

– General heat treatment clear of stress

-Coating with high wearing resistance and anti-erosion capability

-The world advanced screw thread loose-proof technology and metal surface treatment technology are adopted .

-Imported engine with adjustable exciting force is used to give the machine an outstanding comprehensive performance .

2. According to the shale shaker model , it can be divided into DCS shale shaker and PTS shale shaker .The low-temperature shale shaker and ocean-type shale shaker are also developed for high – altitude and cold areas and oceanic climate and environment respectively .And the devoted vibrating screen with scrap-eliminating function for truck-mounted drilling rig is also available .

3. For DCS shale shaker , the edge-lining screen with a quick -speed threaded rod , obliquity-adjusting mechanical ratchet mechanisam and patent – technology- based splatter shield made of high strength cloth are used for convenient usage and environmental maintenance .

Technical performance

Screen specification  :  Edge-lining screen 3-1053*697 mm

Excitation engine :        2- 1.865Kw

Vibration amplitude :     > 5.5 mm

Vibration intensity :        > 6.5g

Explosion-proof marker : ExdllBT4

Protection grade :         IP55

Dimensions :               2945*1920*1680

Weight :                      1850 kg

quality centrifugal pump

The centrifugal pump is designed and produced by DC for handling drilling fluids .This pump plays an important role for drilling muds transfer in solid control system .Such as , the drillings from mud tank to shale shaker , the pump is the connection as bridge .As the object is drilling mud from deep ground , our pump is designed for anti-abrasive , anti-corrosive with a long service life. These pumps are designed for a wide range of flow rates , from a few gallons per minute to thousands of gallons per minute .

DCSB series centrifugal pump is the ideal equipment to provide impetus for most solid control equipments . It can also be used as charge pump auxiliary perfusion for mud pump and trip pump for drilling well head . Centrifugal pump is  also called sand pump .We considered completely the set equipment can work in excellent condition in the process of designing parameters .Most parts can be exchanged , with convenient operation and maintenance , less seal leakage , reliability , long life and other advantages .

DC solids control is dedicated to continual improvement of our product line and offering innovative solutions to serve our customers .

 

Mud tank in solid control system

DC Mud cleaning equipment drilling fluid solid control system .FG and ZG tanks are designed and manufactured by DC are divided into Square tank and cone-shaped tank according to the shape of tank bottom .The body of the tank is made of welding the steel plate and section , using the flat cone-shaped structure or the corrugated structure .The mud tank surface and passage are made of the slipping resistant steel plate and linearity netted steel plate . The mud tanks are made of the side steel pipe , all of the structure are can be folded without barrier and paged reliably .The surface of the tank is equipped with water pipeline for cleaning the surface and equipment on the mud tank , using soaked zinc processing for the netted steel plate .

Moreover , the two-sided guard rail are installed the safe suspension hook .The mud tank is designed the standard shanty to prevent the sand and the rain .The pipeline is installed in the tank to prevent the sand and the rain .

The mud tank supporting equipment are :

Drilling fluid shale shaker , vacuum degasser , desander , desilter , mud cleaner , mud gas separator , decanting centrifuge , centrifuge pump ,shearing pump…

DC Machinery produced the mud tank for our mud cleaning system in petroleum & natural gas drilling , horizontal directional drilling .

We also customized design the mud tank , shale shaker , decanting centrifuge ,,,all the solid control equipment .

Mud gas Separator advantages

ZYQ Mud Gas Separator ( Poor boy Degasser ) is gas drilling fluid primary degassing of professional equipment , mainly used to remove gas drilling in diameter around 3mm or big bubble .These big bubble is refers to the expansion gas . If not taken away , it will lead blowout accident occurred . DC ZYQ series atmospheric prevent hydrogen sulfide , Mud Gas Separator is divided into the normal pressure and auto control according to the pressure .Mud Gas Separator is your best choice to prevent drilling mud invasion .

Poor Boy Degasser is made of high quality materials , it can effectively prevent the harmful gas erosion , guarantee the safety production.

Mud Gas Separator also called liquid gas separator , ideal for use where drilling is likely to en-counter large volumes of gas .

We have features and benefits as bellow :

1. Separate invade gas , including toxic gas such as hydrogen suifide from the gas drilling fluid .

2. Specially designed inside baffle , collision , increase exposure surface area , downward flow , cause disorderly flow condition , separate the gas and drilling fluid .

3. Free gas was discharged through the tank top , pipe length confirmed by scene .And lead to a safe place , and degassing of drilling fluid into circulation tank .

Mud Cleaner production level in nation and international

In the drilling system , drilling fluid cleaner usually with desilter are laid in the same position Desilter or hydrocyclone are normally used for processing not aggravating drilling fluid , and processing including barite or red iron drilling fluid is need to use shale shaker .

Hydrocyclone filtering solid phase size usually larger proportion of crystal , the rest of the smaller part and liquid return together in the mud . Be emphasized is that joined the barite , should use shale shaker .

The United States BRANDT company mud cleaner performance and quality in recent 20 years has been forefront in the world , and its representatiive type products are :

ATL-16/2 type mud cleaner is a group of desander , a group of desilter and a ATL-1200 type linear shale shaker composed of tertiary treatment .The sand is 2 a funnel , in addition to the mud is 16 a funnel , and throughput is 3.75 M3/h . The shale shaker mesh optional 120-325 mesh .

ATL-2800 type mud cleaner is a set of desilter (28 a funnel ) and ATL-1200 type linear shale shaker composed of two stage treatment equipment , throughput is 3.75 M3/h , shale shaker screen optional 120-325 mesh .

LCM-2 d type mud cleaner is swirler and LCM- 2 d type linear shale shaker combination and become , its characteristic is the area of the screen , large in capacity .

LW series decanting centrifuge tech

LW series decanting centrifuge is the fourth class solids control equipment in well drilling solids control .Using decanter principle to separate suspension liquid .According to rotary speed can be called middle speed decanting centrifuge , high speed decanting centrifuge , and high speed variable frequency decanting centrifuge , mainly separate 2~7 um particle out .

1. Can operate at full speed to finish feeding , centrifugal sedimentation discharge and other procedures , high degree of automation .

2. Optimized the settling zone parameters and feeding mode , enhanced the centrifuge sand removing effect , performance can be comparable to the same specifications of the imported centrifuge .

3. Horizontal spiral unloading settlement centrifuge vibration are low noise .By improving the centrifuge rotational part machining accuracy and the dynamic balance accuracy , of the centrifuge vibration and noise dropped to a low level .

4. The production capacity of the single machine is large , compact structure , samll occupation , and can automatically run , convenient maintenance , can be closed operation .

5. Simplified solid control system , low energy consumption , lighter working load , and the purification efficiency increased by 30% than original .

Uses the frequency conversion governor , compared with similar products with low energy consumption , working speed is adjustable etc .

mud cleaner in solid control equipment

Mud Cleaner is the second class and the third class solid control equipment which are combined from desander , desilter and underflow screen to treat the drilling fluid .It occupys small space and the function is powerful , mud cleaner is the ideal device of the second class and the third class solid control to treat the drilling mud .

Multi-functional mud cleaners are designed to be combined with desander ,desilter , pressure pump ,the bottom slot , an underflow shale shaker , a bracket and a base .

DC Machinery used at home and abroad the most advanced mud cleaner production process , to ensure that the production of powerful , compact structure , convenient operation , easy maintenance of drilling fluid mud cleaner .

The integrated cleaner can integrate a group of desander and desilter on one shale shaker , the drilling fluid firstly pass the desander or desilter for separation , with overflow returning  to the circulatory system and the bottom flow screened and treated by the shale shaker , if necessary , the shale shaker of the integrated cleaner could be used as the forestage shale shaker .

drilling fluid mud cleaner specification

Mud Cleaner is the second class and the third class solid control equipment which are combined from desander , desilter and underflow screen to treat the drilling fluid .It occupys small space and the function is powerful , mud cleaner is the ideal device of the second class and the third class solid control to treat the drilling mud .

Multi-functional mud cleaners are designed to be combined with desander , desilter , pressure pump , the bottom slot , an underflow shale shaker , a bracket and a base ,

DC  Machinery used at home and abroad the most advanced mud cleaner production process , to ensure that the production of powerful , compact structure , convenient operation , easy maintenance of drilling fluid mud cleaner .

The integrated cleaner can integrate a group of desander and desilter on one shale shaker , the drilling fluid firstly pass the desander or desilter for separation , with overflow returning to the circulatory system and the bottom flow screened and treated by the shale shaker ,if necessary , the shale shaker of the integrated cleaner could be used as the forestage shale shaker