The Wellsite Information Transfer Specification (WITS) is a specification for the transfer of drilling rig-related data. This petroleum industry standard is recognized by a number of companies internationally and is supported by many hardware devices and software applications.{{Citation needed, date=November 2021 WITS is a multi-layered specification: * Layer 0 describes an ASCII-based transfer specification * Layer 1 describes a binary-based format based on 25 predefined fixed-size records and the Log Information Standard (LIS) data-transmission specification * Layer 2 describes bidirectional communication using LIS Comment records * Layer 2b describes buffering of data * Layer 4 extends the previous layers to use a different data exchange format
RP66
Though still in active use as of 2013, the specification has been superseded by the XML-base
WITSML

See also