Comments on: Casing, couplings manufacturers develop new materials, designs to keep pace with evolving demands in fracking long laterals /casing-couplings-manufacturers-develop-new-materials-designs-keep-pace-evolving-demands-fracking-long-laterals-46812 Get the latest oil drilling news with Èý•NÌåÓý Thu, 22 Jul 2021 00:53:52 +0000 hourly 1 https://wordpress.org/?v=6.1.1