Apparatus, methods, and systems for extracting oil or natural gas from a well using a portable coal reformer. Such a device effectively corrects the blocking artifacts while minimizing the bandwidth used, the decoder directly transmitting decoded data blocks to the post-processing circuit. The backup steering comprises one or more vertical members affixed to the guideway and one or more steering elements engageable with the member. The energy-dissipating section is located between the two junction sections and has a plurality of slots, wherein each slot has a length. The adjusting assembly is configured for adjusting a damping mode of the damping assembly.