In order to generate an efficient steam-assisted gravity drainage (SAGD) recovery mechanism, it is critical that the over-lying steam injection well be positioned over top of the under-lying producer well and that the inter-well distance between these two wellbores stay well within the target distance. Poor inter-well placement negatively impacts production rates, well life and ultimate recovery from these heavy oil reservoirs.
The key to achieving superior inter-well placement is active magnetic ranging. Halliburton, the pioneer and leader in SAGD directional drilling services, maximizes production rates, increases recovery factors, and extends asset longevity by:
Increasing the proportion of wellbore within targeted position in the reservoir
Optimizing steam injector wellbore placement within the desired radial distance of producer well
Reducing likelihood of premature steam breakthrough to producer well (which increases productive life of SAGD well pair)
Reducing likelihood of inefficient oil drainage to producer well (increase productive life of SAGD well pair).
Halliburton also helps mitigate risks before and during drilling operations by:
Reducing uncertainty through a dynamic, interactive model-measure-optimize process
Improving decision quality and reducing cycle-time via extensive pre-well planning.