Gas equipments
Derun strategy partner of gas equipment manufacture had purchased advanced cnc machining centers, cnc lathes, bending machine and round tube phase intersecting line cutting machine, high precision digital processing equipment for produce gas pressure regulating box, gas regulator pressure device, a-class pressure vessel, safety cut-off valve etc. Currently the gas equipment had sell to cnpc kunlun, enn and other gas operators.
Derun is a high-tech enterprise of producing drilling equipment and tools. Main products involves horizontal / directional drilling, including more than ten series, hundreds of varieties of drilling equipment and tools.
Drilling Tool
Luhai drilling motor is a positive displacement motor. High pressure drilling fluid fl ows into the drilling motors, thereby enabling the hydraulic energy to be converted into mechanical energy, at the same time, the rotor drives the shaft and bit to rotate to achieve the purpose of drilling.
Luhai produces LZ73, LZ89, LZ95, LZ102, LZ120, LZ127, LZ146, LZ165, LZ172, LZ185, LZ197, LZ203, LZ216, LZ244, LZ286 and other types of drilling motors. They are for drilling diameter of 88.9-660mm. Luhai also design and develop drilling motors with special sizes, different structural features and operating characteristics in accordance with the user's requirements, thus forming different varieties. At present, in addition to ordinary straight drilling motors, Luhai can also provide the following types of drilling motors
1. Bent drilling motors: The bent angle on the universal shaft can meet different kickoff requirement, there are single-bent and double-bent available.
2.Bent angle adjustable drilling motors: The bent angle of the drilling motors can be adjusted on well surface which enhance the extension of kicking off.
3.Extension drilling motors:On the basis of the ordinary drilling motor, improve motor torque to make the bit drilling quickly by increasing motor stage.
4.Hollow drilling motors: To meet the needs of high fl ow rate solids carrying in drilling, hollow rotors with carbide nozzles of different sizes are adopted, which can increase the input fl ow rate and the horsepower of drill bit..
5.Drilling motors with high kick-off rate: Unique structural design, shorter body, bent point closer to the drill bit, and kick-off rate of up to >1°/m.
6.Saturated saltwater mud-resistant drilling motors:To maintain long time operation of drilling motors in saturated saltwater mud, special rotor coating is adopted to provide better corrosion and wear resistance.
7.High-temperature drilling motors:Â In order to improve the high temperature resistance of the stator rubber of the drilling motors, to meet the drilling requirements in high geothermal gradient region and deep and ultra-deep well drilling requirements, high-temperature resistant rubber is adopted to increase the temperature resistance of motor above 150
8.Sealed driving shaft drilling motors:The ordinary mud lubricated driving shaft is replaced with oil lubricated seal driving shaft, which improves the working conditions of the thrust and radial bearings, thus extending the service life of the drilling motors.
Drilling Tool
LUHAI provides all type of drill pipes, include oil drill pipe, water well/geothermal well drill pipe, coalbed methane/shale gas drill pipe and flush joint drill pipe, also various kind of tool joints.
Description & Specification:
Size: full range from 2-3/8to 6-5/8
Grade: E75,X95 ,G105 and S135
Upset Type: EU,IU and IEU.
Connection: from NC26 to NC50,5-1/2FH and 6-5/8FH
Standard: API SPEC 5DP,API SPEC7-1,API RP 7G.
Drilling Tool
Drilling stabilizer
LUHAI provides integral straight blade stabilizer, integral spiral blade stabilizer, replaceable sleeve stabilizer, non-rotary stabilizer, diameter changeable stabilizer etc. There are Five kinds of hard facing(HF1000,HF2000,HF3000,HF4000,HF5000). All above products are manufactured according to API Spec 7 standard.
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Drilling jar
Drilling tool
Lhbz mechanical drilling jar is a full mechanical drilling jar, it also can be used as fishing tool. It generates upward jarring as well as downward jarring which can solve tight pull or sticking troubles during drilling. It is the first optional drilling jar for vertical well, deep well, directional well and complicated well operations.
Drilling Tool
LUHAI PDC drilling bits are designed professionally for different formations to meet with various drilling applications. ROP and durability improvements are ensured by advanced cutting structure layouts, high performance PDC cutters and superior hydraulic design.
Measurement While Drilling System
Luhai Mwd System Is Equipped With International Brand Of Directional Sensor And Gamma Sensor, Use Us Patented Well Depth Measurement Technique And Exclusive Rotary Joint Design Which Make Our System Outstanding In Oil And Gas Drilling Industry. It Has The Unique Structure Of Dropping Prevent System Allow The Down Hole Parts Can Be Fishing During Sticking.
Measurement Parameters
inclination
azimuth
gravity Tool Face
magnetic Tool Face
gravity Sum
magnetic Field Sum
temperature
natural Gamma
directional Gamma
Mwd System Specification & Features:
1.Work Environment Parameters
Pulser: Positive Pulse, Key Type
Size Of Non-magnetic Drill Collar: 89mm 229mm(3.5-9)
Mud Displacement: 10---55l/s
Mud Density:1g/cm 2.1g/cm(7.5ppgï18ppg)
Sand Content :
Drilling Tool
Drill Kelly
LUHAI provides square Kelly and hexagonal Kelly which is manufactured strictly according to API Spec7-1 and SY/T6509-2000 standard.
Description & Specification
Size: full range from 2-1/2 to 6
Material: AISI 4145H alloy steel
Standard: API SPEC 7-1,SY/T6509-2000.
Drilling Tool
Luhai non-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability. API monogram, serial number, OD,ID, type and size of connections are stamped on recessed mill flats.
Magnetic Properties of Non-magnetic Drill Collar
When MPS=1 105/4 A/m
Relative magnetic permeability 1.1010
Magnetic Field Gradient B0.05 T
( Above are the standard parameters of this product, if customized according to the different
requirements of guests to make changes )
Product Description
1.The motor has a huge impact , you can hit the wall , can turn vibration on concrete bricks and stone , can also drill holes in wood, metal, plastic
2.The motor used in all High temperature wire copper as well as cold-rolled silicon steel sheet , to ensure the stability and durability of the rotary hammer
4.Reliable clutch device, so that the user's security is guaranteed, Safety First
5.Accurately targeted to make the operation more efficient
6.Effective control of spark and extend machine life
Float shoes contain a backpressure valve that prevents fluids from entering the casing while the pipe is lowered into the hole and prevents cement from flowing back into the casing after placement, while enabling circulation down through the casing.
Float collars are placed one to three joints above the guide shoe or float shoe. They provide a seat for the cement plugs, the bottom plug pumped ahead of the cement and the top plug behind the full volume of slurry. Once seated, the top plug shuts off fluid flow and prevents over-displacement of the cement. The space between the float shoe and the float collar provides a containment area to entrap the likely-contaminated fluids from the wiping action of the top cementing plug, securing the contaminated fluid away from the shoe where a strong cement bond is of primary importance. Float collars include a backpressure valve and serve basically the same function as the float shoe.
Features:
The Aluminum Alloys used in this product are PDC Drillable.
Available in 5 1/2â?� to 20â?� sizes. Customized sizes are also available.
Applications:In all applications ranging from close tolerance liners to full casing strings.
Standard float shoe is provided with round cement nose to deflect offledges or obstructions.
Customizable options including nose types, ports/jets, and ball deflector.
Can be supplied either in Single Valve or in Double valve.
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