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Line 29:
Line 29: − + − ! Core Length (ft) − ! Special Features − + − − − + − − − + − − − + − − − + − − − + − − − + − − − + − − Line 72:
Line 54: − + − ! Recommended Usage − + − − + − − + − − + − − + − − + −
→Conventional coring systems
|+ {{table number|1}}Conventional coring systems
|+ {{table number|1}}Conventional coring systems
|-
|-
! Inner Barrel
! Inner Barrel || Core Length (ft) || Special Features
|-
|-
| Mild steel
| Mild steel || 30–120 || Ready-made core preservation system; high temperature applications
| 30–120
| Ready-made core preservation system; high temperature applications
|-
|-
| Mild steel
| Mild steel || 1.5 || Designed for short radius coring
| 1.5
| Designed for short radius coring
|-
|-
| High strength steel
| High strength steel || 120–>400 || Stronger barrel, includes additional inner and outer core barrel stabilization
| 120–>400
| Stronger barrel, includes additional inner and outer core barrel stabilization
|-
|-
| Fiberglass
| Fiberglass || 30–90 || Ready-made core preservation system; used for consolidated and unconsolidated formations
| 30–90
| Ready-made core preservation system; used for consolidated and unconsolidated formations
|-
|-
| Aluminum
| Aluminum || 30–90 || Ready-made core preservation system; high temperature applications
| 30–90
| Ready-made core preservation system; high temperature applications
|-
|-
| Steel with a plastic liner
| Steel with a plastic liner || 30 || Ready-made core preservation system; maximum temperature [[temperature::180°F]]; reduces core diameter by 0.5 in.
| 30
| Ready-made core preservation system; maximum temperature [[temperature::180°F]]; reduces core diameter by 0.5 in.
|-
|-
| Steel with a fiberglass liner
| Steel with a fiberglass liner || 30 || Ready-made core preservation system; maximum temperature [[temperature::250°F]]; reduces core diameter by 0.5 in.
| 30
| Ready-made core preservation system; maximum temperature [[temperature::250°F]]; reduces core diameter by 0.5 in.
|-
|-
| Steel with a steel liner
| Steel with a steel liner || 30 || Ready-made core preservation system; maximum temperature [[temperature::350°F]]; reduces core diameter by 0.5 in.
| 30
| Ready-made core preservation system; maximum temperature [[temperature::350°F]]; reduces core diameter by 0.5 in.
|}
|}
|+ {{table number|2}}Core catchers
|+ {{table number|2}}Core catchers
|-
|-
! Type
! Type || Recommended Usage
|-
|-
| Split ring or spring
| Split ring or spring || Consolidated formations
| Consolidated formations
|-
|-
| Collet
| Collet || Where formation characteristics are unknown
| Where formation characteristics are unknown
|-
|-
| Slip
| Slip || Consolidated formations, normally run with flapper catcher or with orientation knives
| Consolidated formations, normally run with flapper catcher or with orientation knives
|-
|-
| Dog or flapper
| Dog or flapper || Consolidated, fractured, and unconsolidated formations where geology is unknown
| Consolidated, fractured, and unconsolidated formations where geology is unknown
|-
|-
| Basket
| Basket || Unconsolidated formations, normally run with another core catcher type
| Unconsolidated formations, normally run with another core catcher type
|-
|-
| Full closure
| Full closure || Friable to unconsolidated formations to provide full closure
| Friable to unconsolidated formations to provide full closure
|}
|}