Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:oil_well_pump
|
| gptkbp:alsoKnownAs |
gptkb:horsehead_pump
gptkb:pumpjack rocking horse |
| gptkbp:commonIn |
onshore oil fields
|
| gptkbp:component |
gptkb:oil
gptkb:sucker_rod crank limited-slip differential counterweight horsehead pitman arm samson post walking beam |
| gptkbp:function |
extract crude oil from underground
|
| https://www.w3.org/2000/01/rdf-schema#label |
Nodding Donkey
|
| gptkbp:inventedBy |
early 20th century
|
| gptkbp:movement |
reciprocating
|
| gptkbp:provides |
piston engine
electric motor |
| gptkbp:usedFor |
lifting oil to surface
|
| gptkbp:bfsParent |
gptkb:British_Rail_Class_142
gptkb:Pacer_trains |
| gptkbp:bfsLayer |
6
|