Patent ID: 11939861
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Measurement (Instruments)
Classification: CPC E  G | IPC E  G

Claim 0:
1. A lead-free pinscreen imprint device for retrieving at least one imprint of a topmost surface of a fish located in a wellbore, the lead-free pinscreen imprint device comprising:
a housing comprising a central aperture that extends along a section of a central axis thereof;
a pinscreen portion disposed in the housing comprising:
a plurality of pins that are disposed along a vertical axis that is parallel to the central axis, each pin of the plurality of pins comprising a top end and a bottom end and each pin being configured to be independently shifted along the vertical axis upon identifying a pressure at the bottom end,
an imprint surface that faces in a downward direction, the imprint surface being a first plane formed by a plurality of bottom ends of the plurality of pins when the imprint surface is in a collecting position, and
a scanning surface that faces in an upward direction, the scanning surface being a second plane parallel to the first plane and formed by a plurality of top ends of the plurality of pins when the scanning surface is in the collecting position; and

a three-dimensional (3D) laser image scanner disposed in the housing at a location that is immediately above the pinscreen portion, the 3D laser image scanner being configured to scan the scanning surface and identify any depth changes in the scanning surface.