FOR 27½” ROTARY TABLE ROLLER KELLY BUSHING. The Kelly bushing has an inside diameter profile that matches that of the Kelly, usually square or hexagonal. The Kelly bushing elevation is calculated by adding the ground level to the Kelly bushing height. Depth measurements are commonly referenced to the RKB, such as 10,000 ft. RKB, meaning 10,000 feet below the rotary kelly bushing. 2.It is to drive kelly spinner by matching with master bushing. With the extended API insert bowl No. As one of the most professional roller kelly bushing suppliers in China, we specialized in supplying high quality roller kelly bushing for oil and gas upstream industry and petroleum industry. Kelly bushing (KB) Special device that, when fitted into the master bushing, transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make hole. MDBRT stands for Measured Depth Below Rotary Table (MDBRT), As the well is drilled deeper, the kelly also moves downward through the Kelly bushing. Medium duty Kelly Bushing Designed for shallow to medium depth applications. Differential (or relative) depths or thicknesses should generally be specified with at least two components: a unit and a path, plus any eventual specifiers to remove any possible ambiguity. Model : SDTICB. Differential (or relative) depths or thicknesses should generally be specified with at least two components: a unit and a path, plus any eventual specifiers to remove any possible ambiguity. ... Drilling Products. Split Type. Model : SDTICB. Roller Kelly Bushing For Offshore Drilling Rig , Find Complete Details about Roller Kelly Bushing For Offshore Drilling Rig,Kelly Drive Bushing,Casing Bushing,Square Drive Roller Kelly Bushing from Mining Machinery Parts Supplier or Manufacturer-Rugao Yaou Import And Export Trade Co., Ltd. Large rigs might have the drilling floor more than 30 feet above ground level. pin circle), Kelly Size 3 Sq. Many wellbore depth measurements are taken from the Kelly Bushing. The Kelly bushing is going to be probably 1.5 - 2 feet above the drilling … The kelly moves through the kelly bushing and the rotary table and transmits torque to the drill string. Rotary kelly bushing - an adapter that serves to connect the rotary table to the Kelly, which turns the entire drillstring. You can think of the kelly as a hollow square or hexagonal bolt and the kelly bushing as a matching square or hexagonal wrench that turns the bolt. Lea-Der Coatings 340 Saskatchewan Avenue Spruce Grove, AB. RKB . The kelly is matched to a similarly shaped bushing (square or hexagonal), the kelly bushing, marked (II) in Figure 8.04 which is raised above the rig floor. This is one of two primary depth measurements used by the drillers, the other being measured depth. Source: Oil and Gas Drilling and Servicing Operations, Michigan Administrative Code R 408, February 8, 2013. Item Part Number Description Approx. Also called rotary bushing. Roller Kelly Bushing ETANG could supply all type of roller kelly bushing with superior quality and shortest lead time. The Kelly engages in the Kelly bushing, which allow the Kelly to move freely up and down even when rotating the Kelly by the rotary table. Most rigs on land, however, will have the drilling floor less than 20 feet above ground level. Model : SDTICB. An offshore rig will have the drilling floor 50 feet above sea level. The kelly bushing is not designed to hold tightly onto the Kelly; the kelly is still permitted to move up and down through the kelly bushing. High quality MDP Roller Kelly Bushing API Oilfield Drill Spare Parts from China, China's leading API Oilfield Drill Spare Parts product, with strict quality control Mechanical Kelly Bushing factories, producing high quality API Spec 7K Drill Spare Parts products. KBE – Kelly Bushing Elevation (in meters above sea level, or meters above Ground Level) KBUG – Kelly Bushing under ground (drilling up in coal mines, West Virginia, Baker & Taylor Drilling) KCI - Potassium Chloride (KCI) mud Split Type. Posted on September 5, 2017 September 5, 2017 by Drilling Solutions. Photo about Kelly bushing used for drilling. Welcome to buy. Types of Kelly bushing Three types of Kelly bushing are available: Heavy, Medium, light-duty Heavy duty Kelly Bushing This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations. The Kelly Drive Bushing acts as an adapter that serves to connect the rotary table to the Kelly. Item Part Number Description Approx. It may be shaped to fit the rotary opening or have pins for transmitting torque. Kelly “Kelly” means a 3 or more sided shaped steel pipe connecting the swivel to the drill pipe. [Mich. Admin. The present invention relates to that type of oil well tool used in the drilling of oil wells, commonly known as a rotary Kelly bushing, now generally in use to drive the Kelly bar from the rotary table and at the same time permit ci, and provide for, free vertically sliding movement of the Kelly … Through rotating of four rollers, the friction between rollers and kelly pipe is reduced and service life is extended. Be considered as connected with the well drilling string Code R 408, February 8, 2013 is! Measured depth is calculated by adding the ground level diameter profile that matches that of the Kelly bushing Saver mating. Table Casing bushing bushing type of solid high speed conditions Quality Roller Kelly bushing Model 27 HDP ( 25-3/4.! 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