Tesco Top Drive Equipment Life Cycel Manual - English (Book).pmd

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INTRODUCTIONFOR DRILLERSThis manual is intended toprovide basic informationonly, and does not constitutea comprehensive guide tothe functioning or operationof a Tesco Top Drive. It is tobe used only in conjunctionwith the orientation and onsite supervision provided byTesco personnel. The TescoTop Drive Technician mustbe notified of any concernsor incidents involving Tescoequipment and its operation.OTHER THAN ASDESCRIBED IN THEPRECEDING PARAGRAPH,TESCO CORPORATION, ITS AFFILIATEDCOMPANIES ANDEMPLOYEES ASSUME NORESPONSIBILITY FOR USEOF THE INFORMATIONCONTAINED IN THISMANUAL.At Tesco, we put a lot of effortinto developing ways to makedrilling a well more efficient.Training the operators to runthe equipment in the mosteffective manner makes thejob easier by reducingdowntime and safer byeliminating the risk of injury toworkers.This manual will provide youwith information to present to your crew during apre-job safety meeting or whenever you need toreinforce what you already know.Chapter 1RIGGING UP THEEQUIPMENTThe Torque System:After measuring the rig and determining the torquesystem configuration, the top drive technician will requirethe help of a select number of crewmembers. As adriller, it’s up to you to choose workers who are confidentworking at heights and follow instructions well. A wellthought out pre-job meeting and the right people canmake rigging up the top drive much easier and safer.The torque system includes the following:1. Torque Track2. Torque Anchor Beam3. T-BarIn the next few pages we will describe the parts of thetorque system, what they do and some effective waysof installing them.Torque Track:The torque track consists of varying lengths of track.Each section is designed to fit another by lining up theflanges and tightening the bolts. The length of the trackdepends on the size of the rig mast but in all cases thebottom of the track, called the deflector section, shouldbe between 7 and 8 feet from the floor. The track ishung by attaching an adjustable hanging cluster to apad eye that has been welded to the crown’s beams.The bottom of the track is secured to the derrick bybolting on the T-bar and fastening it in to the torqueanchor beam. Using turnbuckles we can center thetrack and provide rigidity along the length of the derrick.The turnbuckles are attached to the torque track andderrick using clamps or by welding in pad eyes on thederrick beams prior to rig up.In some cases our technicians may pre-assemble thetorque track on the ground and hoist up to 2 sections atonce. When hoisting the torque track, goodcommunication and the use of a hold back line arerequired.Once the first section of track has been lifted to the drillfloor with the tugger line, it is then lowered through therotary table so that the top of the track can be attachedto the traveling block. After raising the track above thefloor with the blocks, the rest of the track sections canbe hoisted to the floor and placed in the rotary tableindividually and bolted into the previous sections.Page 4 Top Drive Rig Floor Safety Orientation Doghouse Manual
When the torque track is fastened together in the lengthrequired to allow the top drive to travel between thehighest and lowest points in the derrick, it then needsto be secured to the crown. This is done by attachingthe hanging cluster at the top of the track to a weldedonpad eye with a shackle.Next we need to position the torque track so that wecan fasten the t-bar to it and make sure that the torqueanchor beam will accept it as well.Once the torque track is in place the turnbuckles needto be attached to it and secured in predeterminedlocations on the derrick strongbacks. Using theseadjustable, locking turnbuckles we can center the trackand help provide rigidity along the length of it.When the torque system is installed it should be straightand at the proper distance from well center and the rigfloor.Torque Anchor Beam:The torque anchor beamaccepts the torque directlyfrom the quill and transfers itto the derrick. On some rigswe can weld the anchor inplace, on others we need toinstall the beam using clamps.The beam is usually attachedto the lowest strongbackwhere the energy can bedisplaced across the widestpoint of the derrick. Periodicinspection of the welds or theclamps tightness must beperformed to prevent anymovement of the torque track.Position the hoisting sling and tugger line on the centerof the load. Carefully raise the anchor beam to theappropriate strongback.The top drive technician will need assistance to positionthe anchor beam on the strongback and hold it in placeuntil the clamps can be secured.Safety - Make sure all workers are connected to anapproved fall arrest system.T-Bar:The T-bar is a solid steel arm that bolts on to the torquetrack at it’s lowest point and takes the drilling torquefrom the top drive and transfers it through the anchorbeam and across the derrick.The T-bar can be installedin the torque anchor assoon as the beam issecured to the derrick.The T-bar can also bebolted on to the torquetrack just before the trackis hung from the crown when the bolt pattern section oftrack is at a comfortable height.When the T-bar is attached to the torque track andthe track is hanging from the pad eye at the crown,the T-bar should be just slightly higher than theanchor. This way, when the anchor clamp istightened down it will pull the track into tension.After all the main components of the torque system areinstalled the turnbuckles can be adjusted to straightenthe track.Note: All shackles, turnbuckles, and similar items shouldbe secured with cotter pins or safety wires, to preventaccidental loosening.The Power Module:The Tesco hydraulictop drive comes with abuilding containing aprime mover thatdrives a series ofv a r i a b l edisplacement, bidirectionalhydraulicpumps. These pumpssend hydraulic flowthrough a closedloop, high-pressure system to the top drive motor(s),which provide quill rotation before returning to the skidto be filtered. Additional gear pumps send hydraulicflow through an auxiliary system to the top drive,operating the various robotic functions as well ascirculate oil through a filtration and cooling systembefore returning to the reservoir. The power modulealso contains an electrical panel, which accepts a 480Top Drive Rig Floor Safety Orientation Doghouse Manual Page 5
Page 1 and 2: Bulletin 20900eTOP DRIVES CASING DR
Page 3: TABLE OF CONTENTSINTRODUCTION FOR D
Page 7 and 8: Chapter 2Component IdentificationTo
Page 9 and 10: Auxiliary Pump This amber light wil
Page 11 and 12: • Grabber ‘open’.• Pipe han
Page 13 and 14: Note: If the rig floor is too large
Page 15 and 16: Tip: If the top drive will rotate a
Page 17 and 18: Chapter 7Top DriveConsiderationsSli

Tesco Top Drive Equipment Life Cycel Manual - English (Book).pmd

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