135483 ⎘
Sealing or packing boreholes or wells; Surface sealing or packing; Wipers; Oil savers Rotatable packing means, e.g. rotating blow-out preventers
Reinforced stripper rubber body and method of making same
#302Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same
#303Seal cleaning and lubricating bearing assembly for a rotating flow diverter
#304Dual stripper rubber cartridge with leak detection
#305Latch position indicator system and method
#306Low profile rotating control device
#307Universal marine diverter converter
#308Stripper rubber with integral retracting retention member connection apparatus
#309Tapered bearing assembly cover plate and well drilling equipment comprising same
#310Spring load seal assembly and well drilling equipment comprising same
#311Tapered surface bearing assembly and well drilling equiment comprising same
#312Stripper rubber pot mounting structure and well drilling equipment comprising same
#313Spring preloaded bearing assembly and well drilling equipment comprising same
#314Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same
#315Bearing assembly inner barrel and well drilling equipment comprising same
#316Bearing assembly retaining apparatus and well drilling equipment comprising same
#317Heat exchanger system and method of use thereof and well drilling equipment comprising same
#318Force balanced rotating pressure control device
#319Rotating control device docking station
#320METHOD OF FORMING A SEALING ELEMENT FOR A BLOW OUT PREVENTER
#321Rotating control device apparatus and method
#322Downhole swivel apparatus and method
#323Stripper rubber insert assembly
#324Spring-biased pin connection system
#325Armored stripper rubber
#326Stripper rubber on a steel core with an integral sealing gasket
#327Mechanical connection system
#328HIGH PRESSURE ROTATING DRILLING HEAD ASSEMBLY WITH HYDRAULICALLY REMOVABLE PACKER
#329Stripper rubber insert assembly
#330Apparatus and method for managed pressure drilling
#331Method and apparatus for adding a tubular to drill string with diverter
#332Well drilling and production using a surface blowout preventer
#333Downhole swivel apparatus and method
#334Rotating control head radial seal protection and leak detection systems
#335Riser rotating control device
#336Internal riser rotating control head
#337Rotating stuffing box with split standpipe
#338Diverter heads
#339Rotating pressure control head
#340Convertible rotary seal for progressing cavity pump drivehead
#341Solid rubber packer for a rotating control device
#342Spring-biased pin connection system
#343Mechanical connection system
#344Rotating diverter head
#345Stripper rubber insert assembly
#346Armored stripper rubber
#347Rotating drilling head drive
#348Underbalanced well drilling and production
#349Removable seal
#350Polish rod locking clamp
#351High pressure rotating drilling head assembly with hydraulically removable packer
#352Devices and systems for drilling a wellbore
#353Rotating and reciprocating swivel apparatus and method
#354System and apparatus for blow out preventer components and string protection
#355Control systems and methods for RCD active pressure compensation
#356Multifunctional rotary blowout preventer test device and method thereof
#357Sealed lubricating head and top drive guide
#358System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operations
#359Multifunctional rotating control device
#360Multifunctional rotating control device
#361Rotating and reciprocating swivel apparatus and method
#362Top pot assembly
#363Rotating and reciprocating swivel apparatus and method
#364Compact managed pressure drilling system attached to rotating control device and method of maintaining pressure control
#365Stripper head system and method of use
#366Tall flange rubber adapter
#367System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operations
#368Swivel device for rotating a bowl
#369Adapter assembly
#370Rotating and reciprocating swivel apparatus and method
#371Rotating control device with debris-excluding barrier
#372Sealed lubricating head and top drive guide
#373Rotatable wear sleeve for wellhead pressure-control device
#374Compact managed pressure drilling system attached to rotating control device and method of maintaining pressure control
#375Rotating and reciprocating swivel apparatus and method
#376Rotating control device element reinforcement petals
#377Tall flange rubber adapter
#378Swivel device for rotating a bowl
#379Swivel device for rotating a bowl
#380Method of controlling a drilling operation, and rotating control device mitigator
#381Sealed grease head and top drive guide
#382Swivel device for rotating a bowl
#383Dual rubber cartridge
#384Tall flange rubber adapter
#385Modular rotating diverter head
#386Sealed grease head and top drive guide
#387Swivel device for rotating a bowl
#388Dual rubber cartridge
#389Tall flange rubber adapter
#390Casing stripper attachment
#391Casing stripper attachment
#392Casing stripper device
#393Top pot assembly
#394Dual rubber cartridge