Technical HDD
The record

The crossing register

Ninety-five named crossings from the operating record, with what was installed, in what ground, on what hole, by which method. This is the reference we reach for when somebody asks whether a given feature has been crossed at a given diameter before.

Clients and dates are not shown. No register in the archive carries a client or a year against an individual crossing, and we would not publish client names in any case — see how we work. Where a crossing is identified only by a geographic feature that could identify a specific operator's system, the feature has been generalised.

Rivers

Thirty river crossings. Note how consistently the deep bedrock crossings are motor work and the till crossings are jetted — the formation, not the length, chooses the method.

FeatureNPSInstalledCasingHoleFormationMethod
Athabasca intersect6 + 6 + 63,278 m24"PaskapooMud motor
Smoky intersect8 + 8 + 81,833 m24"MudstoneMud motor
Simonette121,648 m94 m20"SandstoneMud motor
Little Smoky intersect8 + 8 + 81,492 m24"TillJetted
Old Man intersect81,414 m16"SandstoneMud motor
Wapiti6 + 6 + 61,406 m20"Mud motor
Kakwa101,311 m73 m16"Shale · sandstoneMud motor
North Saskatchewan intersect121,208 m34 m20"Shale · sandstoneMud motor
Iosegun intersect241,109 m32"ShaleMud motor
Clearwater121,066 m20"SandstoneMud motor
Bow intersect16957 m24"ShaleIntersect
Wildhay8909 m12"Jetted
Battle8846 m12"Mud motor
Burland8844 m66 m12"Mud motor
Pembina10739 m16"ShaleMud motor
Goose6712 m12"TillJetted
Sundance4691 m10"TillJetted
Nordegg6687 m12"Sand · sandstoneAir hammer
Keg10683 m16"ShaleMud motor
Red Deer16632 m24"ShaleMud motor
Edson4612 m8"SandstoneAir hammer
Christina16559 m24"Mud motor
Sturgeon6554 m12"Mud motor
Brazeau6506 m10"Air hammer
Chichaga10502 m16"Mud motor
Waskahigan16468 m24"Mud motor
Cut Bank16443 m24"Air hammer
Muskeg12361 m18"MudstoneAir hammer
McLeod12351 m20"MudstoneMud motor
Blind Man6341 m12"Air hammer

Creeks

Thirty creek crossings, several of them intersect bores where reach or accuracy demanded two rigs.

FeatureNPSInstalledCasingHoleFormationMethod
Deep Valley intersect101,164 m16"SandstoneAir hammer
Lambert intersect6998 m12"TillJetted
Sulphur intersect8 × 4950 m32"Weak shaleMud motor
Two Creeks12896 m20"SandstoneMud motor
Lobster intersect12784 m20"TillJetted
Black Mud intersect30738 m42"TillJetted
Dismal8 + 8 + 8712 m24"SandstoneJetted
Sheep10678 m16"ShaleMud motor
Wapiti intersect4673 m8"SandstoneAir hammer
Pinto16648 m24"TillJetted
Marsh Head intersect8630 m12"ShaleAir hammer
Bird8586 m12"SandstoneMud motor
Farrell16540 m24"ShaleAir hammer
Wolf10531 m18"TillJetted
Patterson8517 m14"TillJetted
Big Mountain12511 m20"TillJetted
Attikkamek16467 m24"TillJetted
Dilly24447 m36"TillJetted
Prairie4434 m8"TillJetted
Windfall4419 m8"TillJetted
Fish20404 m32"TillJetted
Carrot6393 m12"TillJetted
Hines6381 m12"TillJetted
Priddis6357 m12"ShaleMud motor
Pine4341 m29 m8"SandstoneMud motor
Ante24336 m22 m30"MudstoneMud motor
Fox8266 m16"TillJetted
Gunderson12250 m24"SandstoneAir hammer
Chickadee12208 m24"TillJetted
Nose24145 m36"TillJetted

Lakes, roads and highways

Twenty-one crossings under standing water and under live traffic, including several urban arterials where the constraint was the congestion overhead rather than the length.

FeatureNPSInstalledCasingHoleFormationMethod
Weed Lake intersect24 + 241,164 m36"ClayJetted
Kiskitaw Lake16948 m24"SandstoneMud motor
Peppers Lake6899 m12"TillJetted
Saunders Lake intersect10714 m18"TillMud motor
Loon Lake4711 m12"TillJetted
Highway 1612886 m20"Clay · tillJetted
45th Street, Leduc intersect10814 m18"MixedAir hammer
Highway 43 intersect16791 m24"MudstoneMud motor
Sparrow Drive10769 m16"MudstoneMud motor
Deerfoot Trail16737 m24"Clay · tillJetted
9th Street NE, Edmonton12636 m24"Clay · tillJetted
Highway 4010474 m16"Clay · tillJetted
McKnight Boulevard10362 m16"ClayJetted
Highway 28336 m16"Clay · tillJetted
Crowchild Trail10317 m16"Clay · tillJetted
Highway 6312306 m18"ClayJetted
Macleod Trail16303 m24"ClayJetted
Highway 2124220 m32"Clay · tillJetted
Confederation Way24208 m36"Clay · tillJetted
17th Street NE, Edmonton12186 m24"TillJetted
John Laurie Boulevard12184 m18"ClayJetted

Rail, corridors and multi-phase systems

Crossings under multi-track rail and utility corridors, plus two multi-phase programmes where the figure is the cumulative installed length across the whole system.

FeatureNPSInstalledCasingHoleFormationMethod
Utility corridor (TUC)12917 m18"Jetted
Multi-track rail crossing24453 m32"Jetted
Forestry road and corridor8272 m16"Jetted
Valley system multi-phase8 · 8 · 84,147 mJetted
National park water main multi-phase414,481 mJetted

Long reach — two kilometres and over

Nine installations past 2,000 m. Every one of them jetted compaction work: past a certain reach, that is the only method that stays economic.

FeatureNPSInstalledCasingHoleFormationMethod
Gathering segment83,217 m18"Glacial tillJetted
Mainline103,081 m20"ClayJetted
Northern loop103,008 m20"ClayJetted
South gathering82,991 m24"Muskeg · sandJetted
Gathering system122,768 m24"Muskeg · sandJetted
Gathering segment82,664 m20"Clay · muskegJetted
Gathering segment62,661 m18"Glacial tillJetted
Urban replacement122,293 m24"Glacial tillJetted
Mainline82,114 m24"Clay · sandJetted
What this register is for

It is a precedent index, not a sales sheet. When you tell us what you are crossing, the first useful thing we can do is find the closest analogue on this list — same formation, similar diameter, similar length — and tell you what actually happened on it.