Paramount Oil Tools and Equipment Study Resource

Rotary Slips

Function: Multi-segmented wedges dropped into the rotary table bowl to grip and suspend drill pipe strings in the wellbore.

"DU" Slips

Details: Heavy-duty rotary slips split into DU Regular (165 Ton) and DU Long (180 to 250+ Ton). Feature a high contact length and flexible handles.

"SD" Slips

Details: Standard rotary slips categorized by body and gripping length: Short (SDS), Medium (SDML), and Extra Long (SDXL).

Woolley-A Inserts

Details: Interchangeable, hardened steel slip grip dies optimized to fit Woolley-style rotary slip bodies.

Woolley-B Inserts

Details: Narrower profile or alternative configuration hardened steel insert dies engineered for targeted slip models.

Drill Collar Slips

Function: Specialized multi-segment slips built specifically to grip slick, heavy drill collars without shoulders.

"C1" Slips

Details: Multi-segment drill collar slips designed with individual segments linked together to wrap around varying tool joint diameters.

"DCS" Slips

Details: Drill Collar Slips available in sizes S, R, and L; accommodates outer diameters (OD) ranging from 3" up to 14".

"UC-3" Slips

Details: Multi-segment casing slips featuring a 3-inch/ft taper diameter designed for large outer-diameter casing handling.

"CMSXL" Slips

Details: Extra-Long Multi-Segment Casing Slips. Features a self-centering, full wraparound design handling casing strings up to 42".

"LYT" (Parts Only)

Details: Ultra-lightweight slip-type tubing elevator. Body obsolete or restricted; supported for internal replacement parts only.

"MYT" Elevator

Details: Medium-duty slip-type tubing elevator designed for standard well servicing and medium application tubing handling.

"YT" Elevator

Details: Medium-weight slip-type tubing elevator rated for 75 Tons. Handles pipe ranging from 1" to 3-½" using two slip sizes.

"HYT" Elevator

Details: Heavyweight slip-type tubing elevator rated for 150 Tons. Handles 2-⅜" through 3-½" tubing using a single size slip.

"YC" Elevator

Details: Double-gate slip-type elevator designed to handle small casing and heavy tubing strings up to 75 Tons.

"HYC" Elevator

Details: High-capacity, heavy-duty double-gate slip-type elevator rated for 250 Tons used on deep-well casing operations.

BJ Inserts

Details: Slip jaw gripping dies specifically sized and shaped for Byron Jackson (BJ) brand slip-type elevators.

Varco Inserts

Details: Hardened steel gripping inserts machined to fit National Oilwell Varco (NOV/Varco) style elevator slip sets.

"MG" Elevator

Details: Medium-duty bottleneck center-latch elevator, typically rated around 100 to 175 Tons for standard drill pipe strings.

"RG" Elevator

Details: Heavy bottleneck elevator featuring a narrower, specialized profile rated for high structural capacity.

"MGG" Elevator

Details: Medium-Heavy bottleneck elevator intermediate tier, closing the gap between MG and standard GG classes.

"GG" Elevator

Details: Ultra-heavy capacity bottleneck center-latch elevator, frequently rated up to 350 or 500 Tons for deep drilling.

"HGG" Elevator

Details: Maximum capacity bottleneck elevator designed for deep exploration, often rated for heavy loads up to 750+ Tons.

"TA-65" Elevator

Details: Light to medium square-shoulder elevator with a balanced center-latch configuration, rated for 65 Tons.

"TA-100" Elevator

Details: Medium-capacity square-shoulder center-latch elevator rated for 100 Tons used for tubing and drill pipe.

"MAA" Elevator

Details: Side-door square-shoulder elevator built to handle collar-insulated drill pipe or casing with an entry gate on the side.

"MRA" Elevator

Details: Rear-hinged square shoulder elevator optimized for fast latching during specialized well service workflows.

"SJ-5" Elevator

Details: Single-joint auxiliary elevator used to pick up single lengths of casing or tubing from the catwalk to the v-door.

"SLX-65" Elevator

Details: Heavy side-door style square-shoulder elevator optimized for quick latching on intermediate casing strings, rated for 65 Tons.

"SLX-150" Elevator

Details: Large-bore, high-tonnage side-door square-shoulder elevator rated for 150 Tons to run heavy casing strings.

3-½" TS-100 Spider

Details: 100-Ton capacity manual/pneumatic tubing spider designed with a small bowl profile maximum handling up to 3-½" OD pipe.

4-½" TS-100 Spider

Details: 100-Ton layout matching the TS-100 framework, built with a mid-size bowl accommodating tubing and casing up to 4-½" OD.

5-½" TS-100 Spider

Details: Max-bore variant of the 100-Ton TS series manual tubing spider, holding up to 5-½" OD pipe strings.

API Bowls

Function: Standard insert bowls placed inside the rotary table to reduce the master opening size to standard API slip dimensions.

Hinged Casing Spider

Details: A split, two-piece hinged master spider that latches directly around large casing strings directly above the rotary floor.

Dual Spider

Details: Specialized dual-bore spider engineered to support two parallel tubing strings simultaneously in dual-completion wells.

Air Spider

Details: Pneumatically operated heavy floor spider that opens and closes its slip assembly automatically via a foot pedal control.

"K-25" Tong

Details: Light-duty manual rotary tong engineered for low-torque makeup and breakout operations on smaller drill strings.

"K-30" Tong

Details: Medium-duty manual tong with a torque rating optimized for intermediate well workovers and shallow drilling.

"K-50" Tong

Details: Heavy-duty standard manual rotary tong built to withstand deep drilling torque on standard drill pipe joints.

"K-50HT" Tong

Details: High-Torque (HT) specialized manual tong variation engineered specifically for high-strength premium tool joints.

Tong Dies

Details: Replaceable, cross-hatched hardened tool steel inserts packed into manual tong jaws to bite into the pipe metal without slipping.

"C" Safety Clamp

Details: Multi-link wrap clamp tightened via an adjusting screw box to catch flush-joint or slick drill collars before they slip into the hole.

"T" Safety Clamp

Details: Light to medium link-style safety clamp built primarily for smaller diameter tubing or smooth micro-strings.

"AMP" Safety Clamp

Details: High-pressure adjustable clamping mechanism designed with advanced link connections for heavier slick tool handling.

Bowls

Details: Conical steel liners positioned inside the master bushing to provide a smooth, uniform surface for hand slips to seat into.

Bushings

Details: Large structural assemblies dropped into the main rotary table center to transition drive torque or house slips.

"4 KSM" Kelly Bushing

Details: Standard 4-pin drive configuration square or hex Kelly bushing engineered to lock and drive a 4-inch square Kelly joint.

"27-HPD & HSD" Kelly Bushing

Details: High-performance pin-drive (HPD) and heavy-duty square-drive (HSD) master Kelly bushings designed for large 27-inch tables.

Stabbing Guides

Function: Rubber molded funnels clamped around a female collar thread to guide the male pin end safely during makeup, preventing thread damage.

Casing Scrapers

Function: Blade-studded downhole tools run down the well to clear out cement sheaths, rust, burrs, or scale deposits from the internal casing wall.

Casing Slips

Function: Multi-segment wraparound slips built with a lower taper ratio to prevent crushing thin-walled casing strings.