| CPC E21B 34/142 (2020.05) [E21B 34/063 (2013.01); E21B 2200/04 (2020.05); E21B 2200/06 (2020.05)] | 20 Claims |

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1. A valve, comprising:
a housing having a housing port;
a valve member having a valve port, the valve member positioned to selectively, adjustably, and repeatably, in fixed positions, obstruct by misaligning the valve port with the housing port, unobstruct by fully aligning the valve port with the housing port, and partially obstruct by partially aligning the valve port with the housing port solely by interaction with a sequentially dropped one of a plurality of untethered objects having a substantially same size;
an indexer operably connected to the valve member; and
an object profile in operable contact with the indexer, the profile configured to impart a mechanical load on the object to fragment the object while on the profile.
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