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Troubleshooting — 21 guides

High conveyor torque / torque alarm
High vibration alarm
Wet / sloppy solids off the bowl
Poor barite / fluid recovery
Solids build-up / pending pack-off
Screen blinding & pool flooding
Wet cuttings over the deck
Torn / holed screen bypassing solids
Overflowing / flooding shaker
Solids bypassing the screen
Roping apex & cone plugging
Plugged / dead cones
Low / thin cone underflow
Not pulling gas / vacuum loss
Degasser not pulling vacuum
Poor mixing / unyielded product
Tank dead zones / settling
Mud gun nozzle erosion
Agitator blade wear / weak suspension
Excessive mud loss & rising dilution / LGS
Wet / oily discard (high OOC)

Equipment — 6 machines

Shale shaker
Hydrocyclones — desanders & desilters
Mud cleaner
Decanting centrifuge
Vacuum degasser
Vertical cuttings dryer

Knowledge pillars

Solids Control — Complete Guide
Drilling Waste Management — Complete Guide
Drilling Fluids — Complete Guide
Particle Size Distribution
Lost Circulation
Drilling Fluids Fundamentals
Failure Gallery

Articles — 55

Removal efficiency (η)
Hydrocyclone feed head
Cutting dilution cost
High-speed dewatering vs barite recovery
Five drilling-waste-management mistakes that quietly cost you money
Reading a shaker
Low-gravity solids, the retort, and the dilution they force
The pit train in order
Cuttings dryers
Drilling-waste environmental compliance
Efficiency that keeps the bit turning
The history of solids control
Why centrifuges fail
The sand content test
Marsh funnel viscosity
Shaker motion and G-force
The daily solids-control report
Desanders and desilters
The degasser
Dewatering chemistry
Microns, mesh and cut points
Tanks, agitation and turnover
Centrifuge capacity and run hours
Closed-loop and zero-discharge
Mud weight, barite and sag
Retention on cuttings (ROC)
The mud cleaner
Cuttings re-injection (CRI)
The solids-control rig audit
Plastic viscosity, yield point and what they tell the solids engineer
Non-aqueous drilling fluids
Differential sticking
Thermal desorption units (TDU)
Solids control on HPHT wells
ECD management
The methylene blue test
The retort test
The fluid-loss test
The electrical stability test
Brine clarity & NTU
The filter press (DE)
Cartridge & bag filtration units
Brine filtration troubleshooting
Drilling waste disposal: GCC & MENA
Onshore desert operations
Cuttings disposal routes
Oil on cuttings & discharge limits
Solids control performance KPIs
Solids loading & ROP
The cut-point cascade
Screen conductance & utilization
How a decanter centrifuge works
Pool depth & differential speed
Centrifuge feed rate & the cut
Dual-centrifuge setups

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