News

News

  • What is the working principle and use of kelly valve?

    What is the working principle and use of kelly valve?

    1. Purpose of kelly valve The kelly valve is a manual control valve in the drill string circulation system and is one of the effective tools to prevent blowout. Kelly valves can be divided into upper kelly  valves and lower kelly valves. The upper kelly valve is used between the lower end of the ...
    Read more
  • What is the structural composition of mud pump?

    What is the structural composition of mud pump?

    Petroleum machinery high-pressure mud pump mainly consists of the following parts: (1) Power end 1. The pump casing and pump cover are made of steel plates and welded together. The bearing seat of the driving shaft and crankshaft is an integral steel casting. After processing, it is assembled and...
    Read more
  • Chinese New Year Holiday Notice

    Chinese New Year Holiday Notice

    Dear Sir/Madam, Since the spring festival is coming,Landrill Oil Tools will have a holiday from February 8th to February 17th(2.8-2.17) and will officially return to work on February 18th. During office closures, our team will check email regularly to ensure that any urgent matters are addressed ...
    Read more
  • Oil well sand flushing operation principle and operation steps

    Oil well sand flushing operation principle and operation steps

    Overview of punching sand Sand flushing is the process of using high-speed flowing liquid to disperse the sand at the bottom of the well, and using the circulating liquid flow to bring the dispersed sand to the surface. 1.Requirements for sand washing fluid (1) It has a certain viscosity to ensu...
    Read more
  • How do non-magnetic drill collars work?

    How do non-magnetic drill collars work?

    1. Function of non-magnetic drill collar Since all magnetic measuring instruments sense the geomagnetic field of the wellbore when measuring the orientation of the wellbore, the measuring instrument must be in a non-magnetic environment. However, during the drilling process, drilling tools are of...
    Read more
  • What are the main systems of oil drilling RIGS?

    What are the main systems of oil drilling RIGS?

    1.Lifting system: In order to lift and lower the drilling tools, run casing, control the drilling weight, and feed the drilling tools, the drilling tools are equipped with a lifting system. The lifting system includes winches, auxiliary brakes, cranes, traveling blocks, hooks, wire ropes, and var...
    Read more
  • Packer for Canada Client

    Packer for Canada Client

    Landirll Oil Tools supplied a number of packers to our Canadian customers. The main devices are described as follows: Holds high pressure differentials from above or below. Can be set using tension or compression. Only one-quarter right rotation is required to set and release. Field-proven ...
    Read more
  • What are the causes of high-pressure corrosion in petroleum machinery?

    What are the causes of high-pressure corrosion in petroleum machinery?

    1. Polysulfides in petroleum cause high-pressure corrosion of petroleum machinery Most of the petroleum in our country contains a lot of polysulfides. During the oil extraction process, petroleum machinery and equipment are easily corroded by the polysulfides in the petroleum when they come into ...
    Read more
  • Stabilizer Blade Hardfacing Type

    Stabilizer Blade Hardfacing Type

    To meet a variety of drilling conditions, we have 6 types of hardfacing to choose from. HF1000 Crushed tungsten carbide held in a nickel bronze matrix. The 3mm grain size ensures greater concentration of carbide which is ideal for soft formation drilling. HF2000 Trapezoidal tungsten carbide in...
    Read more
  • Landrill Float Valve &Float Valve Sub ready to delivery

    Landrill Float Valve &Float Valve Sub ready to delivery

    Recently, a batch of Landrill float valve joints and float valves ordered by European customers completed production. The float valve prevents drilling fluids, cuttings and metal debris from flowing back up the drill string. When correctly installed on the drill string these valves provide added...
    Read more
  • Provide Gate Valves,Flanges for African client

    Provide Gate Valves,Flanges for African client

    Landrill Oil Tools recently completed an important sale,We sold a batch of gate valves, flanges and so on to African client. FC Slab gate valve with simple and safe design of valve gate and seat, makes it easy to change without special tools. It is one of our company’s main products, and differen...
    Read more
  • Extension and development direction of Mud Motor

    Extension and development direction of Mud Motor

    1. Overview Mud Motor is a positive displacement downhole dynamic drilling tool which is powered by drilling fluid and converts liquid pressure energy into mechanical energy. When the mud pumped by the mud pump flows through the bypass valve into the motor, a certain pressure difference is formed...
    Read more
123456 Next > >> Page 1 / 7