| Order | Type | Group | Form-ati | Member | Description | Upper | Lower | Basin |
| By No. | on | Age | Age |
| 549.00 | SED | MONT | LSAC | Lower Shale and Reworked Chalk | GP | CNSB |
| 550.00 | SAC1 | Shale and Reworked Chalk Zone 1 |
| 551.00 | SAC2 | Shale and Reworked Chalk Zone 2 |
| 552.00 | SAC3 | Shale and Reworked Chalk Zone 3 |
| 553.00 | LPLL | Lower Palaeocene Formation C | MOFI |
| 554.00 | LPAS | Lower Palaeocene Sand | GF |
| 555.00 | LSSS | Lower Palaeocene Shand & Shale M |
| 556.00 | LPCL | Lower Palaeocene Clay | ESHB |
| 557.00 | PASD | Palaeocene Sand | GP |
| 558.00 | PASH | Mid Palaeocene Shale | GK | MOFI |
| 559.00 | PALU | Upper Palaeocene Sand | GP |
| 560.00 | PACS | Calcareous Sand | GF |
| 561.00 | FERB | Fergus B Formation | GP |
| 562.00 | FERA | Fergus A Formation |
| 563.00 | CODD | Cod Formation | GC | CNSB |
| 564.00 | FORT | Forties | GS |
| 565.00 | FOL | Forties L | GC |
| 566.00 | FOK2 | Forties K2 |
| 567.00 | FOK1 | Forties K1 |
| 568.00 | FOJ3 | Forties J3 |
| 569.00 | FOJ2 | Forties J2 |
| 570.00 | FOUH | Forties H |
| 571.00 | FOUG | Forties G |
| 572.00 | FOUF | Forties F |
| 573.00 | FOUE | Forties E |
| 574.00 | FOL1 | Forties Formation Layer 1 | GP |
| 575.00 | FOL2 | Forties Formation Layer 2 |
| 576.00 | FOL3 | Forties Formation Layer 3 |
| 577.00 | FOL4 | Forties Formation Layer 4 |
| 578.00 | FLSU | Forties Lower Sand Unit |
| 579.00 | FMRS | Forties Mid-Reservoir Shale |
| 580.00 | FUSU | Forties Upper Sand Unit |
| 581.00 | HASF | Halibut Sand | GF | WYGG |
| 582.00 | FORH | Forties Shale Member | GP | MOFI |
| 583.00 | FORA | Forties Sandstone Member |
| 584.00 | HESF | Heather Sand | NONS |
| 585.00 | HECF | Heather Clay |
| 586.00 | LCGC | Lower Central Graben Clay Member | CNSB |
| 587.00 | UAF2 | Undiff. Andrew/Forties Fmn.II | SVIG |
| 588.00 | UAF1 |
| 589.00 | HEIM | Heimdal | GT | GS | NONS |
| 590.00 | HMAM | Heimdal Member A | GC |
| 591.00 | HMBM | Heimdal Member B |
| 592.00 | HMBE | Heimdal Member B Equivalent |
| 593.00 | LSHM | Lower Shale Member | GP |
| 594.00 | LSM | Lower Sand Member |
| 595.00 | UMPM | Upr-Middle Palaeocene Sand Membr |
| 596.00 | USM | Upper Sand Member |
| 597.00 | HEMS | Middle Heimdal Sandstone | CNSB |
| 598.00 | HE40 | Heimdal Sandstone Unit H40 | GC | NONS |
| 599.00 | HE30 | Heimdal Sandstone Unit H30 |
| 600.00 | HE20 | Heimdal Sandstone Unit H20 |
| 601.00 | HEI2 | Heimdal Unit 2 | GP |
| 602.00 | HEI1 | Heimdal Unit 1 |
| 603.00 | ANDR | Andrew | GM | GS | MOFI CNSB |
| 604.00 | ASA1 | Andrew Sands A1 | GP | SVIG |
| 605.00 | ASA2 | Andrew Sands A2 |
| 606.00 | ASA3 | Andrew Sands A3 |
| 607.00 | ASB1 | Andrew Sands B1 |
| 608.00 | ASB2 | Andrew Sands B2 |
| 609.00 | ASDC | Andrew Sands C |
| 610.00 | CASE | Calcareous' Sands Equivalent | GT | MOFI |
| 611.00 | LANF | Lower Andrew Formation |
| Page 10 of 60 | 07/07/2004 |