This bushing is without rollers, depending on the size kelly you have we can offer a new set rollers with this item. Roller kelly bushings can be classed as two types based on different ways of drive, square drive and pin drive. Spe disclaims any and all liability for your use of such content. Cul and cb casing bushings and insert bowls can handle casing from 958 to 30 inch o. They are designed and manufactured according to api spec 7k. The kelly is the polygonal tubing and the kelly bushing is the mechanical device that turns the kelly when rotated by the rotary table. As is well known in oil well drilling, a swivel supported kelly is rotatably driven by a kelly bushing which also permits translational movement of the kelly into a well hole. The total depth for the well, core depths and all analysis of core mud and other materials from the drilling hole are measured in drillers depth. A device fitted to the rotary table through which the kelly passes. A device added to the rotary table through which the kelly passes, so that the torque of the table is transmitted to the kelly and the drill explanation of kelly bushing. Also they can be classed as three types based on different style, heavy, medium and lightduty.
Well depth values taken during the drilling operation are referred to as drillers depth. Kelly bushing height archives production technology. The top countries of suppliers are india, china, and india, from which the percentage of kelly bushing supply is 1%, 97%, and 1% respectively. Bushings, master bushing, roller kelly bushing, casing. Kelly bushing western silverlines pin drive and square drive kelly bushings are designed for rugged high torque and high speed drilling operations. The dencon rh series roller kelly bushing is designed for heavy duty drilling operations, high torque and. The kelly bushing elevation is calculated by adding the ground level to the kelly bushing height. Tianhe nonrotating stabilizer rubber sleeve stabilizer is a special tool in drilling to avoid blade wear and wall damage. The nonrotating stabilizer consists of mandrel, copper washer, rubber sleeve, spacer sleeve and selflocking lower sub. Janki oil tools kelly bushing, heavy duty pin drive kelly. Rotary equipment users handbook nov bearing mechanical. This bushing is equivalent to a 4krvs kelly bushing. The oil contained in the porosity provides a constant lubrication between bearing and shaft, so the system does not need any additional external lubricant.
Roller kelly bushings srlf professional rig handling. Kelly bushing occupational safety and health administration. The kelly then turns the entire drillstring because it is screwed into the top of the drillstring itself. Square drive kelly bushing dimensions, pin drive kelly bushing dimensions, square drive master bushings dimensions, and pin drive master dimensions are shown in figure 1 and table 1 based on api spec. Rig kelly bushing how is rig kelly bushing abbreviated. It is the principal object of the present invenr25 tion to provide a kelly bar bushing in which a relatively large surface area is exposed to the kelly bar and. There are two basic designs of kelly drive bushings single and doubleplane. Kelly bushing, also known as drive bushing, is a drilling device that is used to connect a kelly with a rotary table. It is the means by which the torque of the rotary table is transmitted to the kelly and to. Roller kelly bushings are used for 17 1249 12 inch rotary tables. Mdbrt stands for measured depth below rotary table mdbrt. An adapter that serves to connect the rotary table to the kelly. Roller wpin for kelly drive bushing 4krvs sq 414 roller wo pin for kelly drive bushing hds sq 514 roller for kelly drive bushing hdp sq 514 roller for kelly drive bushing hds sq 414 with pins. Kelly bushing rollers are essential for driving the kelly so as to reduce the frictional resistance to basic movement of the kelly.
Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. Kelly bushing article about kelly bushing by the free. In compliance with european union eu legislation for visitors from the eu, schlumberger requests your permission to place cookies on your computer to both. How is rig kelly bushing oil and gas depth reference point abbreviated. This bushing uses the same roller assemblies, components and wiper assemblies as the 27 rph. These rollers can be pin drives or square drives whose sizes can be changed for accommodating the bushings. This tool also works along with other drilling tools. It is preferable to provide rollers with large diameters in order to exchange every face of the kelly. Kelly drive bushings single and doubleplane rollers. There are 162 suppliers who sells kelly bushing on, mainly located in asia.
Janki oil tools about jot certification service vision and mission our customer janki oil tools was established in the year 1993, a well known manufacturer of oil field. The rotary motion from the rotary table is transmitted to the bushing through the pins, and then to the kelly itself through the square or hexagonal flat surfaces between the kelly and the kelly drive bushing. It is connected to the rotary table by four large steel pins that fit into mating holes in the rotary table. Dencon rsh kelly bushing is a square drive unit used with dencon ssb master bushings and all master bushings having a drive square dimension of 916 api. Selflubricating bushings a selflubricating sintered bushing is a metallic component with high porosity 2025% in volume, impregnated with a lubricant oil. Kbe stands for kelly bushing elevation measurement. Janki oil tools kelly bushing, heavy duty pin drive. Kelly and kelly drive bushing joy manufacturing company.
Roller for kelly drive bushing hds sq 312 master bushing. Rotary equipment users handbook nov free download as pdf file. Rotary table supplies necessary toque to turn the drill stem, accompanied by gripping devices, called slips 27. Apr 20, 1982 the present invention relates to rotary drilling apparatus and more particularly to an improved kelly and a drive bushing for rotating the kelly. Many wellbore depth measurements are taken from the kelly bushing. Ground level sea level mud line attributes kelly bushing. It is the means by which the torque of the rotary table is transmitted to the kelly and to the drill stem. Kelly bushing fits into a part of the rotary table called the. A wide variety of kelly bushing options are available to you, such as stainless steel.
The optional lock assembly locks the kelly bushing in the. Content of petrowiki is intended for personal use only and to supplement, not replace, engineering judgment. The undefined acronym abbreviationslang rkb means relative to kelly bushing. This tool is used to fit inside the head where the kelly fits. A wide variety of kelly drive bushings options are available to you, there are 42 suppliers who sells kelly drive bushings on, mainly located in asia. Rkb stands for rig kelly bushing oil and gas depth reference point. Another name for kelly bushing is kelly drive bushing. Kelly bushing is that elevated device positioned right on top of the rotary table and used to transmit torque from the rotary table to the kelly.
Ground level sea level mud line attributes kelly bushing height kelly bushing elevation rotary table height roatry table elevation derrick floor height derrick floor elevation casing flange height casing flange elevation not in ppdm data model. Depth in a well as used in the oil and gas industry. Applicable kelly size type hds 27hdp 20hdp 4krvs 20mdp 17mdp 4krbm style heavy duty medium duty. All camtech pin drive kelly bushings are sold with camtech safety drive pins c1605sp. The height of the drilling floor above the ground level. Varco 4kr series kelly bushings the varco 4krvs and 4krbm. The upper end of the kelly is screwed into the swivel, using a lefthand thread to preclude loosening from the righthand torque applied below. Kelly bushing fits into a part of the rotary table, called the master bushing.
More power for bigger jobs when you need more power, more options and more digging. Rkb is defined as rig kelly bushing oil and gas depth reference point rarely. Rkb rig kelly bushing oil and gas depth reference point. Dencon rsm kelly bushing for square drive master bushing. Apr 11, 2020 an adapter that serves to connect the rotary table to the kelly. Western silverlines pin drive and square drive kelly bushings are designed for rugged high. Get free 2day shipping on qualified bushing, 114 products or buy products today with buy online pick up in store. The kelly bushing has an inside diameter profile that matches that of the kelly, usually square or hexagonal. Kelly bushing general petroleum oil tools pin drive and square drive kelly bushings are designed for rugged high torque and high speed drilling operations.
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